Home / 3,989,195.52-5,983,793.28-997,379.52

Finding the Fourth Proportional to 3,989,195.52, 5,983,793.28 and 997,379.52

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Solution

The fourth proportional to 3,989,195.52, 5,983,793.28 and 997,379.52 is: 1,496,069.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989,195.52 : 5,983,793.28 = 997,379.52 : x
  2. Step 2: Convert to fraction form
    3,989,195.52/5,983,793.28 = 997,379.52/x
  3. Step 3: Cross multiply
    3,989,195.52x = 5,983,793.28 × 997,379.52
  4. Step 4: Simplify right side
    3,989,195.52x = 5,968,112,869,385.63
  5. Step 5: Solve for x
    x = 5,968,112,869,385.63/3,989,195.52
  6. Step 6: Final answer
    x = 1,496,069.28

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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.