Home / 3,056,700.06-4,218,289.92-1,680,171.21

Finding the Fourth Proportional to 3,056,700.06, 4,218,289.92 and 1,680,171.21

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Solution

The fourth proportional to 3,056,700.06, 4,218,289.92 and 1,680,171.21 is: 2,318,660.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,056,700.06 : 4,218,289.92 = 1,680,171.21 : x
  2. Step 2: Convert to fraction form
    3,056,700.06/4,218,289.92 = 1,680,171.21/x
  3. Step 3: Cross multiply
    3,056,700.06x = 4,218,289.92 × 1,680,171.21
  4. Step 4: Simplify right side
    3,056,700.06x = 7,087,449,279,017.20
  5. Step 5: Solve for x
    x = 7,087,449,279,017.20/3,056,700.06
  6. Step 6: Final answer
    x = 2,318,660.37

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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.