Home / 3,120,420.20-4,680,630.30-2,616,535.40

Finding the Fourth Proportional to 3,120,420.20, 4,680,630.30 and 2,616,535.40

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Solution

The fourth proportional to 3,120,420.20, 4,680,630.30 and 2,616,535.40 is: 3,924,803.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,420.20 : 4,680,630.30 = 2,616,535.40 : x
  2. Step 2: Convert to fraction form
    3,120,420.20/4,680,630.30 = 2,616,535.40/x
  3. Step 3: Cross multiply
    3,120,420.20x = 4,680,630.30 × 2,616,535.40
  4. Step 4: Simplify right side
    3,120,420.20x = 12,247,034,874,262.62
  5. Step 5: Solve for x
    x = 12,247,034,874,262.62/3,120,420.20
  6. Step 6: Final answer
    x = 3,924,803.10

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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.