Home / 6,920,960.40-10,385,158.68-2,880,234

Finding the Fourth Proportional to 6,920,960.40, 10,385,158.68 and 2,880,234

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Solution

The fourth proportional to 6,920,960.40, 10,385,158.68 and 2,880,234 is: 4,321,898.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920,960.40 : 10,385,158.68 = 2,880,234 : x
  2. Step 2: Convert to fraction form
    6,920,960.40/10,385,158.68 = 2,880,234/x
  3. Step 3: Cross multiply
    6,920,960.40x = 10,385,158.68 × 2,880,234
  4. Step 4: Simplify right side
    6,920,960.40x = 29,911,687,125,531.12
  5. Step 5: Solve for x
    x = 29,911,687,125,531.12/6,920,960.40
  6. Step 6: Final answer
    x = 4,321,898.32

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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.