Home / 3,056,607.66-4,218,162.23-1,680,078.65

Finding the Fourth Proportional to 3,056,607.66, 4,218,162.23 and 1,680,078.65

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Solution

The fourth proportional to 3,056,607.66, 4,218,162.23 and 1,680,078.65 is: 2,318,532.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,056,607.66 : 4,218,162.23 = 1,680,078.65 : x
  2. Step 2: Convert to fraction form
    3,056,607.66/4,218,162.23 = 1,680,078.65/x
  3. Step 3: Cross multiply
    3,056,607.66x = 4,218,162.23 × 1,680,078.65
  4. Step 4: Simplify right side
    3,056,607.66x = 7,086,844,278,518.33
  5. Step 5: Solve for x
    x = 7,086,844,278,518.33/3,056,607.66
  6. Step 6: Final answer
    x = 2,318,532.52

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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.