Home / 2,567,449.80-3,543,191.42-1,421,530.12

Finding the Fourth Proportional to 2,567,449.80, 3,543,191.42 and 1,421,530.12

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Solution

The fourth proportional to 2,567,449.80, 3,543,191.42 and 1,421,530.12 is: 1,961,772.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,567,449.80 : 3,543,191.42 = 1,421,530.12 : x
  2. Step 2: Convert to fraction form
    2,567,449.80/3,543,191.42 = 1,421,530.12/x
  3. Step 3: Cross multiply
    2,567,449.80x = 3,543,191.42 × 1,421,530.12
  4. Step 4: Simplify right side
    2,567,449.80x = 5,036,753,324,455.57
  5. Step 5: Solve for x
    x = 5,036,753,324,455.57/2,567,449.80
  6. Step 6: Final answer
    x = 1,961,772.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.