Home / 2,986,331.40-4,479,497.10-2,755,384.20

Finding the Fourth Proportional to 2,986,331.40, 4,479,497.10 and 2,755,384.20

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Solution

The fourth proportional to 2,986,331.40, 4,479,497.10 and 2,755,384.20 is: 4,133,076.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986,331.40 : 4,479,497.10 = 2,755,384.20 : x
  2. Step 2: Convert to fraction form
    2,986,331.40/4,479,497.10 = 2,755,384.20/x
  3. Step 3: Cross multiply
    2,986,331.40x = 4,479,497.10 × 2,755,384.20
  4. Step 4: Simplify right side
    2,986,331.40x = 12,342,735,533,285.82
  5. Step 5: Solve for x
    x = 12,342,735,533,285.82/2,986,331.40
  6. Step 6: Final answer
    x = 4,133,076.30

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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.