Home / 2,847,429.11-3,931,286.08-2,540,978.47

Finding the Fourth Proportional to 2,847,429.11, 3,931,286.08 and 2,540,978.47

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Solution

The fourth proportional to 2,847,429.11, 3,931,286.08 and 2,540,978.47 is: 3,508,186.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847,429.11 : 3,931,286.08 = 2,540,978.47 : x
  2. Step 2: Convert to fraction form
    2,847,429.11/3,931,286.08 = 2,540,978.47/x
  3. Step 3: Cross multiply
    2,847,429.11x = 3,931,286.08 × 2,540,978.47
  4. Step 4: Simplify right side
    2,847,429.11x = 9,989,313,256,329.38
  5. Step 5: Solve for x
    x = 9,989,313,256,329.38/2,847,429.11
  6. Step 6: Final answer
    x = 3,508,186.82

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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.