Home / 2,171,387.16-2,996,065.56-1,253,600.40

Finding the Fourth Proportional to 2,171,387.16, 2,996,065.56 and 1,253,600.40

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Solution

The fourth proportional to 2,171,387.16, 2,996,065.56 and 1,253,600.40 is: 1,729,709.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,387.16 : 2,996,065.56 = 1,253,600.40 : x
  2. Step 2: Convert to fraction form
    2,171,387.16/2,996,065.56 = 1,253,600.40/x
  3. Step 3: Cross multiply
    2,171,387.16x = 2,996,065.56 × 1,253,600.40
  4. Step 4: Simplify right side
    2,171,387.16x = 3,755,868,984,442.22
  5. Step 5: Solve for x
    x = 3,755,868,984,442.22/2,171,387.16
  6. Step 6: Final answer
    x = 1,729,709.49

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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.