Home / 2,172,078.60-3,258,117.90-1,370,761.80

Finding the Fourth Proportional to 2,172,078.60, 3,258,117.90 and 1,370,761.80

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Solution

The fourth proportional to 2,172,078.60, 3,258,117.90 and 1,370,761.80 is: 2,056,142.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,078.60 : 3,258,117.90 = 1,370,761.80 : x
  2. Step 2: Convert to fraction form
    2,172,078.60/3,258,117.90 = 1,370,761.80/x
  3. Step 3: Cross multiply
    2,172,078.60x = 3,258,117.90 × 1,370,761.80
  4. Step 4: Simplify right side
    2,172,078.60x = 4,466,103,557,216.22
  5. Step 5: Solve for x
    x = 4,466,103,557,216.22/2,172,078.60
  6. Step 6: Final answer
    x = 2,056,142.70

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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.