Home / 5,123,391.10-7,070,086.51-2,800,264.78

Finding the Fourth Proportional to 5,123,391.10, 7,070,086.51 and 2,800,264.78

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Solution

The fourth proportional to 5,123,391.10, 7,070,086.51 and 2,800,264.78 is: 3,864,259.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,123,391.10 : 7,070,086.51 = 2,800,264.78 : x
  2. Step 2: Convert to fraction form
    5,123,391.10/7,070,086.51 = 2,800,264.78/x
  3. Step 3: Cross multiply
    5,123,391.10x = 7,070,086.51 × 2,800,264.78
  4. Step 4: Simplify right side
    5,123,391.10x = 19,798,114,231,504.79
  5. Step 5: Solve for x
    x = 19,798,114,231,504.79/5,123,391.10
  6. Step 6: Final answer
    x = 3,864,259.80

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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.