Home / 3,888,056.70-5,832,085.05-3,426,162.30

Finding the Fourth Proportional to 3,888,056.70, 5,832,085.05 and 3,426,162.30

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Solution

The fourth proportional to 3,888,056.70, 5,832,085.05 and 3,426,162.30 is: 5,139,243.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888,056.70 : 5,832,085.05 = 3,426,162.30 : x
  2. Step 2: Convert to fraction form
    3,888,056.70/5,832,085.05 = 3,426,162.30/x
  3. Step 3: Cross multiply
    3,888,056.70x = 5,832,085.05 × 3,426,162.30
  4. Step 4: Simplify right side
    3,888,056.70x = 19,981,669,928,703.61
  5. Step 5: Solve for x
    x = 19,981,669,928,703.61/3,888,056.70
  6. Step 6: Final answer
    x = 5,139,243.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.