Home / 3,056,657.16-4,218,195.72-1,680,141.92

Finding the Fourth Proportional to 3,056,657.16, 4,218,195.72 and 1,680,141.92

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Solution

The fourth proportional to 3,056,657.16, 4,218,195.72 and 1,680,141.92 is: 2,318,600.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,056,657.16 : 4,218,195.72 = 1,680,141.92 : x
  2. Step 2: Convert to fraction form
    3,056,657.16/4,218,195.72 = 1,680,141.92/x
  3. Step 3: Cross multiply
    3,056,657.16x = 4,218,195.72 × 1,680,141.92
  4. Step 4: Simplify right side
    3,056,657.16x = 7,087,167,455,936.58
  5. Step 5: Solve for x
    x = 7,087,167,455,936.58/3,056,657.16
  6. Step 6: Final answer
    x = 2,318,600.71

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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.