Home / 2,689,382.85-4,034,471.30-960,118.64

Finding the Fourth Proportional to 2,689,382.85, 4,034,471.30 and 960,118.64

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Solution

The fourth proportional to 2,689,382.85, 4,034,471.30 and 960,118.64 is: 1,440,319.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689,382.85 : 4,034,471.30 = 960,118.64 : x
  2. Step 2: Convert to fraction form
    2,689,382.85/4,034,471.30 = 960,118.64/x
  3. Step 3: Cross multiply
    2,689,382.85x = 4,034,471.30 × 960,118.64
  4. Step 4: Simplify right side
    2,689,382.85x = 3,873,571,097,675.03
  5. Step 5: Solve for x
    x = 3,873,571,097,675.03/2,689,382.85
  6. Step 6: Final answer
    x = 1,440,319.70

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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.