Home / 2,781,331.20-3,899,462.40-2,781,331.20

Finding the Fourth Proportional to 2,781,331.20, 3,899,462.40 and 2,781,331.20

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Solution

The fourth proportional to 2,781,331.20, 3,899,462.40 and 2,781,331.20 is: 3,899,462.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,781,331.20 : 3,899,462.40 = 2,781,331.20 : x
  2. Step 2: Convert to fraction form
    2,781,331.20/3,899,462.40 = 2,781,331.20/x
  3. Step 3: Cross multiply
    2,781,331.20x = 3,899,462.40 × 2,781,331.20
  4. Step 4: Simplify right side
    2,781,331.20x = 10,845,696,436,346.88
  5. Step 5: Solve for x
    x = 10,845,696,436,346.88/2,781,331.20
  6. Step 6: Final answer
    x = 3,899,462.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.