Home / 3,761,209.92-5,641,776-921,336.96

Finding the Fourth Proportional to 3,761,209.92, 5,641,776 and 921,336.96

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Solution

The fourth proportional to 3,761,209.92, 5,641,776 and 921,336.96 is: 1,381,995.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761,209.92 : 5,641,776 = 921,336.96 : x
  2. Step 2: Convert to fraction form
    3,761,209.92/5,641,776 = 921,336.96/x
  3. Step 3: Cross multiply
    3,761,209.92x = 5,641,776 × 921,336.96
  4. Step 4: Simplify right side
    3,761,209.92x = 5,197,976,748,840.96
  5. Step 5: Solve for x
    x = 5,197,976,748,840.96/3,761,209.92
  6. Step 6: Final answer
    x = 1,381,995.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.