Home / 3,609,159-4,980,640.50-2,158,915.56

Finding the Fourth Proportional to 3,609,159, 4,980,640.50 and 2,158,915.56

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Solution

The fourth proportional to 3,609,159, 4,980,640.50 and 2,158,915.56 is: 2,979,304.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609,159 : 4,980,640.50 = 2,158,915.56 : x
  2. Step 2: Convert to fraction form
    3,609,159/4,980,640.50 = 2,158,915.56/x
  3. Step 3: Cross multiply
    3,609,159x = 4,980,640.50 × 2,158,915.56
  4. Step 4: Simplify right side
    3,609,159x = 10,752,782,274,216.18
  5. Step 5: Solve for x
    x = 10,752,782,274,216.18/3,609,159
  6. Step 6: Final answer
    x = 2,979,304.12

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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.