Home / 5,342,134.21-8,013,142.17-1,298,625.90

Finding the Fourth Proportional to 5,342,134.21, 8,013,142.17 and 1,298,625.90

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Solution

The fourth proportional to 5,342,134.21, 8,013,142.17 and 1,298,625.90 is: 1,947,924.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,342,134.21 : 8,013,142.17 = 1,298,625.90 : x
  2. Step 2: Convert to fraction form
    5,342,134.21/8,013,142.17 = 1,298,625.90/x
  3. Step 3: Cross multiply
    5,342,134.21x = 8,013,142.17 × 1,298,625.90
  4. Step 4: Simplify right side
    5,342,134.21x = 10,406,073,962,344.20
  5. Step 5: Solve for x
    x = 10,406,073,962,344.20/5,342,134.21
  6. Step 6: Final answer
    x = 1,947,924.47

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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.