Home / 2,275,862.55-3,413,793.83-1,212,980.55

Finding the Fourth Proportional to 2,275,862.55, 3,413,793.83 and 1,212,980.55

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Solution

The fourth proportional to 2,275,862.55, 3,413,793.83 and 1,212,980.55 is: 1,819,470.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,275,862.55 : 3,413,793.83 = 1,212,980.55 : x
  2. Step 2: Convert to fraction form
    2,275,862.55/3,413,793.83 = 1,212,980.55/x
  3. Step 3: Cross multiply
    2,275,862.55x = 3,413,793.83 × 1,212,980.55
  4. Step 4: Simplify right side
    2,275,862.55x = 4,140,865,511,435.10
  5. Step 5: Solve for x
    x = 4,140,865,511,435.10/2,275,862.55
  6. Step 6: Final answer
    x = 1,819,470.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.