Home / 5,395,141.80-7,445,207.60-2,947,700.18

Finding the Fourth Proportional to 5,395,141.80, 7,445,207.60 and 2,947,700.18

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Solution

The fourth proportional to 5,395,141.80, 7,445,207.60 and 2,947,700.18 is: 4,067,778.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,395,141.80 : 7,445,207.60 = 2,947,700.18 : x
  2. Step 2: Convert to fraction form
    5,395,141.80/7,445,207.60 = 2,947,700.18/x
  3. Step 3: Cross multiply
    5,395,141.80x = 7,445,207.60 × 2,947,700.18
  4. Step 4: Simplify right side
    5,395,141.80x = 21,946,239,782,657.37
  5. Step 5: Solve for x
    x = 21,946,239,782,657.37/5,395,141.80
  6. Step 6: Final answer
    x = 4,067,778.12

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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.