Home / 3,996,716.52-5,515,332.32-2,278,390.62

Finding the Fourth Proportional to 3,996,716.52, 5,515,332.32 and 2,278,390.62

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Solution

The fourth proportional to 3,996,716.52, 5,515,332.32 and 2,278,390.62 is: 3,144,101.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996,716.52 : 5,515,332.32 = 2,278,390.62 : x
  2. Step 2: Convert to fraction form
    3,996,716.52/5,515,332.32 = 2,278,390.62/x
  3. Step 3: Cross multiply
    3,996,716.52x = 5,515,332.32 × 2,278,390.62
  4. Step 4: Simplify right side
    3,996,716.52x = 12,566,081,424,070.84
  5. Step 5: Solve for x
    x = 12,566,081,424,070.84/3,996,716.52
  6. Step 6: Final answer
    x = 3,144,101.25

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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.