Home / 5,520,001.60-8,280,002.40-4,638,203.20

Finding the Fourth Proportional to 5,520,001.60, 8,280,002.40 and 4,638,203.20

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Solution

The fourth proportional to 5,520,001.60, 8,280,002.40 and 4,638,203.20 is: 6,957,304.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520,001.60 : 8,280,002.40 = 4,638,203.20 : x
  2. Step 2: Convert to fraction form
    5,520,001.60/8,280,002.40 = 4,638,203.20/x
  3. Step 3: Cross multiply
    5,520,001.60x = 8,280,002.40 × 4,638,203.20
  4. Step 4: Simplify right side
    5,520,001.60x = 38,404,333,627,687.68
  5. Step 5: Solve for x
    x = 38,404,333,627,687.68/5,520,001.60
  6. Step 6: Final answer
    x = 6,957,304.80

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Similar ratio
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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.