Home / 5,306,942.31-7,960,369.74-1,520,428.83

Finding the Fourth Proportional to 5,306,942.31, 7,960,369.74 and 1,520,428.83

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Solution

The fourth proportional to 5,306,942.31, 7,960,369.74 and 1,520,428.83 is: 2,280,630.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,306,942.31 : 7,960,369.74 = 1,520,428.83 : x
  2. Step 2: Convert to fraction form
    5,306,942.31/7,960,369.74 = 1,520,428.83/x
  3. Step 3: Cross multiply
    5,306,942.31x = 7,960,369.74 × 1,520,428.83
  4. Step 4: Simplify right side
    5,306,942.31x = 12,103,175,650,155.61
  5. Step 5: Solve for x
    x = 12,103,175,650,155.61/5,306,942.31
  6. Step 6: Final answer
    x = 2,280,630.72

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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.