Home / 2,420,531.32-3,340,305.66-1,332,780.16

Finding the Fourth Proportional to 2,420,531.32, 3,340,305.66 and 1,332,780.16

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Solution

The fourth proportional to 2,420,531.32, 3,340,305.66 and 1,332,780.16 is: 1,839,221.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420,531.32 : 3,340,305.66 = 1,332,780.16 : x
  2. Step 2: Convert to fraction form
    2,420,531.32/3,340,305.66 = 1,332,780.16/x
  3. Step 3: Cross multiply
    2,420,531.32x = 3,340,305.66 × 1,332,780.16
  4. Step 4: Simplify right side
    2,420,531.32x = 4,451,893,111,983.71
  5. Step 5: Solve for x
    x = 4,451,893,111,983.71/2,420,531.32
  6. Step 6: Final answer
    x = 1,839,221.44

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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.