Home / 1,580,781.10-2,371,168.14-1,221,474.46

Finding the Fourth Proportional to 1,580,781.10, 2,371,168.14 and 1,221,474.46

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Solution

The fourth proportional to 1,580,781.10, 2,371,168.14 and 1,221,474.46 is: 1,832,208.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,781.10 : 2,371,168.14 = 1,221,474.46 : x
  2. Step 2: Convert to fraction form
    1,580,781.10/2,371,168.14 = 1,221,474.46/x
  3. Step 3: Cross multiply
    1,580,781.10x = 2,371,168.14 × 1,221,474.46
  4. Step 4: Simplify right side
    1,580,781.10x = 2,896,321,323,375.70
  5. Step 5: Solve for x
    x = 2,896,321,323,375.70/1,580,781.10
  6. Step 6: Final answer
    x = 1,832,208.98

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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.