Home / 2,642,443.80-3,963,665.70-2,101,234.20

Finding the Fourth Proportional to 2,642,443.80, 3,963,665.70 and 2,101,234.20

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Solution

The fourth proportional to 2,642,443.80, 3,963,665.70 and 2,101,234.20 is: 3,151,851.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642,443.80 : 3,963,665.70 = 2,101,234.20 : x
  2. Step 2: Convert to fraction form
    2,642,443.80/3,963,665.70 = 2,101,234.20/x
  3. Step 3: Cross multiply
    2,642,443.80x = 3,963,665.70 × 2,101,234.20
  4. Step 4: Simplify right side
    2,642,443.80x = 8,328,589,926,206.94
  5. Step 5: Solve for x
    x = 8,328,589,926,206.94/2,642,443.80
  6. Step 6: Final answer
    x = 3,151,851.30

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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.