Home / 5,390,001.90-8,085,002.85-4,858,560.90

Finding the Fourth Proportional to 5,390,001.90, 8,085,002.85 and 4,858,560.90

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Solution

The fourth proportional to 5,390,001.90, 8,085,002.85 and 4,858,560.90 is: 7,287,841.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,001.90 : 8,085,002.85 = 4,858,560.90 : x
  2. Step 2: Convert to fraction form
    5,390,001.90/8,085,002.85 = 4,858,560.90/x
  3. Step 3: Cross multiply
    5,390,001.90x = 8,085,002.85 × 4,858,560.90
  4. Step 4: Simplify right side
    5,390,001.90x = 39,281,478,723,398.56
  5. Step 5: Solve for x
    x = 39,281,478,723,398.56/5,390,001.90
  6. Step 6: Final answer
    x = 7,287,841.35

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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.