Home / 3,986,129.80-5,979,194.70-1,462,769.20

Finding the Fourth Proportional to 3,986,129.80, 5,979,194.70 and 1,462,769.20

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Solution

The fourth proportional to 3,986,129.80, 5,979,194.70 and 1,462,769.20 is: 2,194,153.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,129.80 : 5,979,194.70 = 1,462,769.20 : x
  2. Step 2: Convert to fraction form
    3,986,129.80/5,979,194.70 = 1,462,769.20/x
  3. Step 3: Cross multiply
    3,986,129.80x = 5,979,194.70 × 1,462,769.20
  4. Step 4: Simplify right side
    3,986,129.80x = 8,746,181,847,963.24
  5. Step 5: Solve for x
    x = 8,746,181,847,963.24/3,986,129.80
  6. Step 6: Final answer
    x = 2,194,153.80

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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.