Home / 5,395,144.50-7,445,211.39-2,947,702.86

Finding the Fourth Proportional to 5,395,144.50, 7,445,211.39 and 2,947,702.86

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Solution

The fourth proportional to 5,395,144.50, 7,445,211.39 and 2,947,702.86 is: 4,067,781.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,395,144.50 : 7,445,211.39 = 2,947,702.86 : x
  2. Step 2: Convert to fraction form
    5,395,144.50/7,445,211.39 = 2,947,702.86/x
  3. Step 3: Cross multiply
    5,395,144.50x = 7,445,211.39 × 2,947,702.86
  4. Step 4: Simplify right side
    5,395,144.50x = 21,946,270,907,607.57
  5. Step 5: Solve for x
    x = 21,946,270,907,607.57/5,395,144.50
  6. Step 6: Final answer
    x = 4,067,781.86

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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.