Home / 2,162,391.96-3,240,438.66-1,039,148.76

Finding the Fourth Proportional to 2,162,391.96, 3,240,438.66 and 1,039,148.76

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Solution

The fourth proportional to 2,162,391.96, 3,240,438.66 and 1,039,148.76 is: 1,557,209.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,162,391.96 : 3,240,438.66 = 1,039,148.76 : x
  2. Step 2: Convert to fraction form
    2,162,391.96/3,240,438.66 = 1,039,148.76/x
  3. Step 3: Cross multiply
    2,162,391.96x = 3,240,438.66 × 1,039,148.76
  4. Step 4: Simplify right side
    2,162,391.96x = 3,367,297,815,395.06
  5. Step 5: Solve for x
    x = 3,367,297,815,395.06/2,162,391.96
  6. Step 6: Final answer
    x = 1,557,209.74

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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.