Home / 2,121,335.46-3,182,399.01-702,390.42

Finding the Fourth Proportional to 2,121,335.46, 3,182,399.01 and 702,390.42

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Solution

The fourth proportional to 2,121,335.46, 3,182,399.01 and 702,390.42 is: 1,053,716.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,335.46 : 3,182,399.01 = 702,390.42 : x
  2. Step 2: Convert to fraction form
    2,121,335.46/3,182,399.01 = 702,390.42/x
  3. Step 3: Cross multiply
    2,121,335.46x = 3,182,399.01 × 702,390.42
  4. Step 4: Simplify right side
    2,121,335.46x = 2,235,286,577,241.48
  5. Step 5: Solve for x
    x = 2,235,286,577,241.48/2,121,335.46
  6. Step 6: Final answer
    x = 1,053,716.69

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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.