Home / 5,102,801.28-7,655,143.68-2,111,218.56

Finding the Fourth Proportional to 5,102,801.28, 7,655,143.68 and 2,111,218.56

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Solution

The fourth proportional to 5,102,801.28, 7,655,143.68 and 2,111,218.56 is: 3,167,217.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,102,801.28 : 7,655,143.68 = 2,111,218.56 : x
  2. Step 2: Convert to fraction form
    5,102,801.28/7,655,143.68 = 2,111,218.56/x
  3. Step 3: Cross multiply
    5,102,801.28x = 7,655,143.68 × 2,111,218.56
  4. Step 4: Simplify right side
    5,102,801.28x = 16,161,681,416,682.70
  5. Step 5: Solve for x
    x = 16,161,681,416,682.70/5,102,801.28
  6. Step 6: Final answer
    x = 3,167,217.48

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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.