Home / 5,342,143.52-8,013,156.12-1,298,635.20

Finding the Fourth Proportional to 5,342,143.52, 8,013,156.12 and 1,298,635.20

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Solution

The fourth proportional to 5,342,143.52, 8,013,156.12 and 1,298,635.20 is: 1,947,938.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,342,143.52 : 8,013,156.12 = 1,298,635.20 : x
  2. Step 2: Convert to fraction form
    5,342,143.52/8,013,156.12 = 1,298,635.20/x
  3. Step 3: Cross multiply
    5,342,143.52x = 8,013,156.12 × 1,298,635.20
  4. Step 4: Simplify right side
    5,342,143.52x = 10,406,166,600,527.42
  5. Step 5: Solve for x
    x = 10,406,166,600,527.42/5,342,143.52
  6. Step 6: Final answer
    x = 1,947,938.42

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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.