Home / 5,200,590.30-7,800,885.45-3,287,402.70

Finding the Fourth Proportional to 5,200,590.30, 7,800,885.45 and 3,287,402.70

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Solution

The fourth proportional to 5,200,590.30, 7,800,885.45 and 3,287,402.70 is: 4,931,104.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200,590.30 : 7,800,885.45 = 3,287,402.70 : x
  2. Step 2: Convert to fraction form
    5,200,590.30/7,800,885.45 = 3,287,402.70/x
  3. Step 3: Cross multiply
    5,200,590.30x = 7,800,885.45 × 3,287,402.70
  4. Step 4: Simplify right side
    5,200,590.30x = 25,644,651,890,720.72
  5. Step 5: Solve for x
    x = 25,644,651,890,720.72/5,200,590.30
  6. Step 6: Final answer
    x = 4,931,104.05

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1.5x scale

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.