Home / 5,328,000.90-7,992,001.35-3,200,487.30

Finding the Fourth Proportional to 5,328,000.90, 7,992,001.35 and 3,200,487.30

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Solution

The fourth proportional to 5,328,000.90, 7,992,001.35 and 3,200,487.30 is: 4,800,730.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328,000.90 : 7,992,001.35 = 3,200,487.30 : x
  2. Step 2: Convert to fraction form
    5,328,000.90/7,992,001.35 = 3,200,487.30/x
  3. Step 3: Cross multiply
    5,328,000.90x = 7,992,001.35 × 3,200,487.30
  4. Step 4: Simplify right side
    5,328,000.90x = 25,578,298,822,257.85
  5. Step 5: Solve for x
    x = 25,578,298,822,257.85/5,328,000.90
  6. Step 6: Final answer
    x = 4,800,730.95

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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.