Home / 2,068,403.80-3,102,702.90-648,506.20

Finding the Fourth Proportional to 2,068,403.80, 3,102,702.90 and 648,506.20

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Solution

The fourth proportional to 2,068,403.80, 3,102,702.90 and 648,506.20 is: 972,789.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068,403.80 : 3,102,702.90 = 648,506.20 : x
  2. Step 2: Convert to fraction form
    2,068,403.80/3,102,702.90 = 648,506.20/x
  3. Step 3: Cross multiply
    2,068,403.80x = 3,102,702.90 × 648,506.20
  4. Step 4: Simplify right side
    2,068,403.80x = 2,012,122,067,407.98
  5. Step 5: Solve for x
    x = 2,012,122,067,407.98/2,068,403.80
  6. Step 6: Final answer
    x = 972,789.78

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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.