Home / 2,712,315.90-4,073,139.45-1,919,163.90

Finding the Fourth Proportional to 2,712,315.90, 4,073,139.45 and 1,919,163.90

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Solution

The fourth proportional to 2,712,315.90, 4,073,139.45 and 1,919,163.90 is: 2,882,047.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712,315.90 : 4,073,139.45 = 1,919,163.90 : x
  2. Step 2: Convert to fraction form
    2,712,315.90/4,073,139.45 = 1,919,163.90/x
  3. Step 3: Cross multiply
    2,712,315.90x = 4,073,139.45 × 1,919,163.90
  4. Step 4: Simplify right side
    2,712,315.90x = 7,817,022,192,105.86
  5. Step 5: Solve for x
    x = 7,817,022,192,105.86/2,712,315.90
  6. Step 6: Final answer
    x = 2,882,047.11

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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.