Home / 2,378,964.17-3,282,882.61-1,291,212.57

Finding the Fourth Proportional to 2,378,964.17, 3,282,882.61 and 1,291,212.57

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Solution

The fourth proportional to 2,378,964.17, 3,282,882.61 and 1,291,212.57 is: 1,781,825.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378,964.17 : 3,282,882.61 = 1,291,212.57 : x
  2. Step 2: Convert to fraction form
    2,378,964.17/3,282,882.61 = 1,291,212.57/x
  3. Step 3: Cross multiply
    2,378,964.17x = 3,282,882.61 × 1,291,212.57
  4. Step 4: Simplify right side
    2,378,964.17x = 4,238,899,268,995.93
  5. Step 5: Solve for x
    x = 4,238,899,268,995.93/2,378,964.17
  6. Step 6: Final answer
    x = 1,781,825.60

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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.