Home / 3,191,151.76-4,786,691-916,731.92

Finding the Fourth Proportional to 3,191,151.76, 4,786,691 and 916,731.92

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Solution

The fourth proportional to 3,191,151.76, 4,786,691 and 916,731.92 is: 1,375,087.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191,151.76 : 4,786,691 = 916,731.92 : x
  2. Step 2: Convert to fraction form
    3,191,151.76/4,786,691 = 916,731.92/x
  3. Step 3: Cross multiply
    3,191,151.76x = 4,786,691 × 916,731.92
  4. Step 4: Simplify right side
    3,191,151.76x = 4,388,112,430,876.72
  5. Step 5: Solve for x
    x = 4,388,112,430,876.72/3,191,151.76
  6. Step 6: Final answer
    x = 1,375,087.35

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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.