Home / 2,864,990.19-3,954,248.10-1,642,115.35

Finding the Fourth Proportional to 2,864,990.19, 3,954,248.10 and 1,642,115.35

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Solution

The fourth proportional to 2,864,990.19, 3,954,248.10 and 1,642,115.35 is: 2,266,441.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864,990.19 : 3,954,248.10 = 1,642,115.35 : x
  2. Step 2: Convert to fraction form
    2,864,990.19/3,954,248.10 = 1,642,115.35/x
  3. Step 3: Cross multiply
    2,864,990.19x = 3,954,248.10 × 1,642,115.35
  4. Step 4: Simplify right side
    2,864,990.19x = 6,493,331,494,507.76
  5. Step 5: Solve for x
    x = 6,493,331,494,507.76/2,864,990.19
  6. Step 6: Final answer
    x = 2,266,441.09

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.