Home / 2,103,487.31-3,155,793.44-755,661.77

Finding the Fourth Proportional to 2,103,487.31, 3,155,793.44 and 755,661.77

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Solution

The fourth proportional to 2,103,487.31, 3,155,793.44 and 755,661.77 is: 1,133,694.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103,487.31 : 3,155,793.44 = 755,661.77 : x
  2. Step 2: Convert to fraction form
    2,103,487.31/3,155,793.44 = 755,661.77/x
  3. Step 3: Cross multiply
    2,103,487.31x = 3,155,793.44 × 755,661.77
  4. Step 4: Simplify right side
    2,103,487.31x = 2,384,712,456,624.79
  5. Step 5: Solve for x
    x = 2,384,712,456,624.79/2,103,487.31
  6. Step 6: Final answer
    x = 1,133,694.72

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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.