Home / 3,947,816.20-5,921,724.30-956,000.20

Finding the Fourth Proportional to 3,947,816.20, 5,921,724.30 and 956,000.20

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Solution

The fourth proportional to 3,947,816.20, 5,921,724.30 and 956,000.20 is: 1,434,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947,816.20 : 5,921,724.30 = 956,000.20 : x
  2. Step 2: Convert to fraction form
    3,947,816.20/5,921,724.30 = 956,000.20/x
  3. Step 3: Cross multiply
    3,947,816.20x = 5,921,724.30 × 956,000.20
  4. Step 4: Simplify right side
    3,947,816.20x = 5,661,169,615,144.86
  5. Step 5: Solve for x
    x = 5,661,169,615,144.86/3,947,816.20
  6. Step 6: Final answer
    x = 1,434,000.30

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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.