Home / 6,519,862.80-9,779,356.80-1,727,449.20

Finding the Fourth Proportional to 6,519,862.80, 9,779,356.80 and 1,727,449.20

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Solution

The fourth proportional to 6,519,862.80, 9,779,356.80 and 1,727,449.20 is: 2,591,057.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,519,862.80 : 9,779,356.80 = 1,727,449.20 : x
  2. Step 2: Convert to fraction form
    6,519,862.80/9,779,356.80 = 1,727,449.20/x
  3. Step 3: Cross multiply
    6,519,862.80x = 9,779,356.80 × 1,727,449.20
  4. Step 4: Simplify right side
    6,519,862.80x = 16,893,342,080,674.56
  5. Step 5: Solve for x
    x = 16,893,342,080,674.56/6,519,862.80
  6. Step 6: Final answer
    x = 2,591,057.91

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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.