Home / 2,154,065.91-2,972,572.38-1,174,013.76

Finding the Fourth Proportional to 2,154,065.91, 2,972,572.38 and 1,174,013.76

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Solution

The fourth proportional to 2,154,065.91, 2,972,572.38 and 1,174,013.76 is: 1,620,117.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,065.91 : 2,972,572.38 = 1,174,013.76 : x
  2. Step 2: Convert to fraction form
    2,154,065.91/2,972,572.38 = 1,174,013.76/x
  3. Step 3: Cross multiply
    2,154,065.91x = 2,972,572.38 × 1,174,013.76
  4. Step 4: Simplify right side
    2,154,065.91x = 3,489,840,876,715.95
  5. Step 5: Solve for x
    x = 3,489,840,876,715.95/2,154,065.91
  6. Step 6: Final answer
    x = 1,620,117.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.