Home / 3,917,637.65-5,406,339.95-2,198,758.17

Finding the Fourth Proportional to 3,917,637.65, 5,406,339.95 and 2,198,758.17

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Solution

The fourth proportional to 3,917,637.65, 5,406,339.95 and 2,198,758.17 is: 3,034,286.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917,637.65 : 5,406,339.95 = 2,198,758.17 : x
  2. Step 2: Convert to fraction form
    3,917,637.65/5,406,339.95 = 2,198,758.17/x
  3. Step 3: Cross multiply
    3,917,637.65x = 5,406,339.95 × 2,198,758.17
  4. Step 4: Simplify right side
    3,917,637.65x = 11,887,234,134,859.89
  5. Step 5: Solve for x
    x = 11,887,234,134,859.89/3,917,637.65
  6. Step 6: Final answer
    x = 3,034,286.27

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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.