Home / 3,989,076.30-5,983,614.45-3,532,430.70

Finding the Fourth Proportional to 3,989,076.30, 5,983,614.45 and 3,532,430.70

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Solution

The fourth proportional to 3,989,076.30, 5,983,614.45 and 3,532,430.70 is: 5,298,646.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989,076.30 : 5,983,614.45 = 3,532,430.70 : x
  2. Step 2: Convert to fraction form
    3,989,076.30/5,983,614.45 = 3,532,430.70/x
  3. Step 3: Cross multiply
    3,989,076.30x = 5,983,614.45 × 3,532,430.70
  4. Step 4: Simplify right side
    3,989,076.30x = 21,136,703,380,143.62
  5. Step 5: Solve for x
    x = 21,136,703,380,143.62/3,989,076.30
  6. Step 6: Final answer
    x = 5,298,646.05

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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.