Home / 3,172,522.28-4,377,618.86-1,814,132.84

Finding the Fourth Proportional to 3,172,522.28, 4,377,618.86 and 1,814,132.84

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Solution

The fourth proportional to 3,172,522.28, 4,377,618.86 and 1,814,132.84 is: 2,503,239.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,522.28 : 4,377,618.86 = 1,814,132.84 : x
  2. Step 2: Convert to fraction form
    3,172,522.28/4,377,618.86 = 1,814,132.84/x
  3. Step 3: Cross multiply
    3,172,522.28x = 4,377,618.86 × 1,814,132.84
  4. Step 4: Simplify right side
    3,172,522.28x = 7,941,582,103,970.61
  5. Step 5: Solve for x
    x = 7,941,582,103,970.61/3,172,522.28
  6. Step 6: Final answer
    x = 2,503,239.19

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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.