Home / 5,170,737.52-7,135,666.96-2,878,947.40

Finding the Fourth Proportional to 5,170,737.52, 7,135,666.96 and 2,878,947.40

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Solution

The fourth proportional to 5,170,737.52, 7,135,666.96 and 2,878,947.40 is: 3,972,974.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170,737.52 : 7,135,666.96 = 2,878,947.40 : x
  2. Step 2: Convert to fraction form
    5,170,737.52/7,135,666.96 = 2,878,947.40/x
  3. Step 3: Cross multiply
    5,170,737.52x = 7,135,666.96 × 2,878,947.40
  4. Step 4: Simplify right side
    5,170,737.52x = 20,543,209,841,757.90
  5. Step 5: Solve for x
    x = 20,543,209,841,757.90/5,170,737.52
  6. Step 6: Final answer
    x = 3,972,974.80

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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.