Home / 2,976,356.88-4,107,512.88-1,687,222.32

Finding the Fourth Proportional to 2,976,356.88, 4,107,512.88 and 1,687,222.32

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Solution

The fourth proportional to 2,976,356.88, 4,107,512.88 and 1,687,222.32 is: 2,328,446.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976,356.88 : 4,107,512.88 = 1,687,222.32 : x
  2. Step 2: Convert to fraction form
    2,976,356.88/4,107,512.88 = 1,687,222.32/x
  3. Step 3: Cross multiply
    2,976,356.88x = 4,107,512.88 × 1,687,222.32
  4. Step 4: Simplify right side
    2,976,356.88x = 6,930,287,410,823.48
  5. Step 5: Solve for x
    x = 6,930,287,410,823.48/2,976,356.88
  6. Step 6: Final answer
    x = 2,328,446.38

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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.