Home / 3,986,579.20-5,979,868.80-3,750,383.20

Finding the Fourth Proportional to 3,986,579.20, 5,979,868.80 and 3,750,383.20

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Solution

The fourth proportional to 3,986,579.20, 5,979,868.80 and 3,750,383.20 is: 5,625,574.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,579.20 : 5,979,868.80 = 3,750,383.20 : x
  2. Step 2: Convert to fraction form
    3,986,579.20/5,979,868.80 = 3,750,383.20/x
  3. Step 3: Cross multiply
    3,986,579.20x = 5,979,868.80 × 3,750,383.20
  4. Step 4: Simplify right side
    3,986,579.20x = 22,426,799,485,724.16
  5. Step 5: Solve for x
    x = 22,426,799,485,724.16/3,986,579.20
  6. Step 6: Final answer
    x = 5,625,574.80

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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.