Home / 2,716,435.20-4,074,652.80-721,891.20

Finding the Fourth Proportional to 2,716,435.20, 4,074,652.80 and 721,891.20

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Solution

The fourth proportional to 2,716,435.20, 4,074,652.80 and 721,891.20 is: 1,082,836.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716,435.20 : 4,074,652.80 = 721,891.20 : x
  2. Step 2: Convert to fraction form
    2,716,435.20/4,074,652.80 = 721,891.20/x
  3. Step 3: Cross multiply
    2,716,435.20x = 4,074,652.80 × 721,891.20
  4. Step 4: Simplify right side
    2,716,435.20x = 2,941,455,999,375.36
  5. Step 5: Solve for x
    x = 2,941,455,999,375.36/2,716,435.20
  6. Step 6: Final answer
    x = 1,082,836.80

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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.