Home / 3,942,721.63-5,441,026.71-2,312,304.94

Finding the Fourth Proportional to 3,942,721.63, 5,441,026.71 and 2,312,304.94

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Solution

The fourth proportional to 3,942,721.63, 5,441,026.71 and 2,312,304.94 is: 3,191,022.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942,721.63 : 5,441,026.71 = 2,312,304.94 : x
  2. Step 2: Convert to fraction form
    3,942,721.63/5,441,026.71 = 2,312,304.94/x
  3. Step 3: Cross multiply
    3,942,721.63x = 5,441,026.71 × 2,312,304.94
  4. Step 4: Simplify right side
    3,942,721.63x = 12,581,312,940,204.95
  5. Step 5: Solve for x
    x = 12,581,312,940,204.95/3,942,721.63
  6. Step 6: Final answer
    x = 3,191,022.38

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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.