Home / 3,128,962.45-4,695,418.13-1,331,843.04

Finding the Fourth Proportional to 3,128,962.45, 4,695,418.13 and 1,331,843.04

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Solution

The fourth proportional to 3,128,962.45, 4,695,418.13 and 1,331,843.04 is: 1,998,604.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,962.45 : 4,695,418.13 = 1,331,843.04 : x
  2. Step 2: Convert to fraction form
    3,128,962.45/4,695,418.13 = 1,331,843.04/x
  3. Step 3: Cross multiply
    3,128,962.45x = 4,695,418.13 × 1,331,843.04
  4. Step 4: Simplify right side
    3,128,962.45x = 6,253,559,956,330.32
  5. Step 5: Solve for x
    x = 6,253,559,956,330.32/3,128,962.45
  6. Step 6: Final answer
    x = 1,998,604.99

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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.