Home / 2,155,609.80-3,235,542.03-1,144,728.86

Finding the Fourth Proportional to 2,155,609.80, 3,235,542.03 and 1,144,728.86

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Solution

The fourth proportional to 2,155,609.80, 3,235,542.03 and 1,144,728.86 is: 1,718,222.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,609.80 : 3,235,542.03 = 1,144,728.86 : x
  2. Step 2: Convert to fraction form
    2,155,609.80/3,235,542.03 = 1,144,728.86/x
  3. Step 3: Cross multiply
    2,155,609.80x = 3,235,542.03 × 1,144,728.86
  4. Step 4: Simplify right side
    2,155,609.80x = 3,703,818,323,306.28
  5. Step 5: Solve for x
    x = 3,703,818,323,306.28/2,155,609.80
  6. Step 6: Final answer
    x = 1,718,222.99

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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.