Home / 2,915,174.72-4,022,930.40-1,626,013.92

Finding the Fourth Proportional to 2,915,174.72, 4,022,930.40 and 1,626,013.92

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Solution

The fourth proportional to 2,915,174.72, 4,022,930.40 and 1,626,013.92 is: 2,243,893.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915,174.72 : 4,022,930.40 = 1,626,013.92 : x
  2. Step 2: Convert to fraction form
    2,915,174.72/4,022,930.40 = 1,626,013.92/x
  3. Step 3: Cross multiply
    2,915,174.72x = 4,022,930.40 × 1,626,013.92
  4. Step 4: Simplify right side
    2,915,174.72x = 6,541,340,829,591.17
  5. Step 5: Solve for x
    x = 6,541,340,829,591.17/2,915,174.72
  6. Step 6: Final answer
    x = 2,243,893.23

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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.