Home / 2,187,891.78-3,281,845.45-671,574.82

Finding the Fourth Proportional to 2,187,891.78, 3,281,845.45 and 671,574.82

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Solution

The fourth proportional to 2,187,891.78, 3,281,845.45 and 671,574.82 is: 1,007,364.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,891.78 : 3,281,845.45 = 671,574.82 : x
  2. Step 2: Convert to fraction form
    2,187,891.78/3,281,845.45 = 671,574.82/x
  3. Step 3: Cross multiply
    2,187,891.78x = 3,281,845.45 × 671,574.82
  4. Step 4: Simplify right side
    2,187,891.78x = 2,204,004,750,942.34
  5. Step 5: Solve for x
    x = 2,204,004,750,942.34/2,187,891.78
  6. Step 6: Final answer
    x = 1,007,364.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.