Home / 2,961,473.79-4,442,481.78-831,543.55

Finding the Fourth Proportional to 2,961,473.79, 4,442,481.78 and 831,543.55

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Solution

The fourth proportional to 2,961,473.79, 4,442,481.78 and 831,543.55 is: 1,247,391.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961,473.79 : 4,442,481.78 = 831,543.55 : x
  2. Step 2: Convert to fraction form
    2,961,473.79/4,442,481.78 = 831,543.55/x
  3. Step 3: Cross multiply
    2,961,473.79x = 4,442,481.78 × 831,543.55
  4. Step 4: Simplify right side
    2,961,473.79x = 3,694,117,070,151.52
  5. Step 5: Solve for x
    x = 3,694,117,070,151.52/2,961,473.79
  6. Step 6: Final answer
    x = 1,247,391.44

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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.