Home / 3,780,229.43-5,216,527.64-2,148,421.25

Finding the Fourth Proportional to 3,780,229.43, 5,216,527.64 and 2,148,421.25

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Solution

The fourth proportional to 3,780,229.43, 5,216,527.64 and 2,148,421.25 is: 2,964,713.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780,229.43 : 5,216,527.64 = 2,148,421.25 : x
  2. Step 2: Convert to fraction form
    3,780,229.43/5,216,527.64 = 2,148,421.25/x
  3. Step 3: Cross multiply
    3,780,229.43x = 5,216,527.64 × 2,148,421.25
  4. Step 4: Simplify right side
    3,780,229.43x = 11,207,298,796,163.61
  5. Step 5: Solve for x
    x = 11,207,298,796,163.61/3,780,229.43
  6. Step 6: Final answer
    x = 2,964,713.92

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Double scale
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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.