Home / 3,141,103.62-4,712,180.31-1,120,512.45

Finding the Fourth Proportional to 3,141,103.62, 4,712,180.31 and 1,120,512.45

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Solution

The fourth proportional to 3,141,103.62, 4,712,180.31 and 1,120,512.45 is: 1,680,955.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141,103.62 : 4,712,180.31 = 1,120,512.45 : x
  2. Step 2: Convert to fraction form
    3,141,103.62/4,712,180.31 = 1,120,512.45/x
  3. Step 3: Cross multiply
    3,141,103.62x = 4,712,180.31 × 1,120,512.45
  4. Step 4: Simplify right side
    3,141,103.62x = 5,280,056,703,999.86
  5. Step 5: Solve for x
    x = 5,280,056,703,999.86/3,141,103.62
  6. Step 6: Final answer
    x = 1,680,955.91

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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.