Home / 3,120,001.70-4,680,002.55-2,616,116.90

Finding the Fourth Proportional to 3,120,001.70, 4,680,002.55 and 2,616,116.90

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Solution

The fourth proportional to 3,120,001.70, 4,680,002.55 and 2,616,116.90 is: 3,924,175.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,001.70 : 4,680,002.55 = 2,616,116.90 : x
  2. Step 2: Convert to fraction form
    3,120,001.70/4,680,002.55 = 2,616,116.90/x
  3. Step 3: Cross multiply
    3,120,001.70x = 4,680,002.55 × 2,616,116.90
  4. Step 4: Simplify right side
    3,120,001.70x = 12,243,433,763,098.09
  5. Step 5: Solve for x
    x = 12,243,433,763,098.09/3,120,001.70
  6. Step 6: Final answer
    x = 3,924,175.35

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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.