Home / 1,902,001.46-2,620,350.68-1,328,132.66

Finding the Fourth Proportional to 1,902,001.46, 2,620,350.68 and 1,328,132.66

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Solution

The fourth proportional to 1,902,001.46, 2,620,350.68 and 1,328,132.66 is: 1,829,742.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,902,001.46 : 2,620,350.68 = 1,328,132.66 : x
  2. Step 2: Convert to fraction form
    1,902,001.46/2,620,350.68 = 1,328,132.66/x
  3. Step 3: Cross multiply
    1,902,001.46x = 2,620,350.68 × 1,328,132.66
  4. Step 4: Simplify right side
    1,902,001.46x = 3,480,173,318,761.21
  5. Step 5: Solve for x
    x = 3,480,173,318,761.21/1,902,001.46
  6. Step 6: Final answer
    x = 1,829,742.72

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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.