Home / 3,141,289.08-4,712,172.30-1,221,375.42

Finding the Fourth Proportional to 3,141,289.08, 4,712,172.30 and 1,221,375.42

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Solution

The fourth proportional to 3,141,289.08, 4,712,172.30 and 1,221,375.42 is: 1,832,155.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141,289.08 : 4,712,172.30 = 1,221,375.42 : x
  2. Step 2: Convert to fraction form
    3,141,289.08/4,712,172.30 = 1,221,375.42/x
  3. Step 3: Cross multiply
    3,141,289.08x = 4,712,172.30 × 1,221,375.42
  4. Step 4: Simplify right side
    3,141,289.08x = 5,755,331,422,024.87
  5. Step 5: Solve for x
    x = 5,755,331,422,024.87/3,141,289.08
  6. Step 6: Final answer
    x = 1,832,155.93

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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.