Home / 2,168,915.20-3,253,372.80-1,609,043.20

Finding the Fourth Proportional to 2,168,915.20, 3,253,372.80 and 1,609,043.20

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Solution

The fourth proportional to 2,168,915.20, 3,253,372.80 and 1,609,043.20 is: 2,413,564.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168,915.20 : 3,253,372.80 = 1,609,043.20 : x
  2. Step 2: Convert to fraction form
    2,168,915.20/3,253,372.80 = 1,609,043.20/x
  3. Step 3: Cross multiply
    2,168,915.20x = 3,253,372.80 × 1,609,043.20
  4. Step 4: Simplify right side
    2,168,915.20x = 5,234,817,380,904.96
  5. Step 5: Solve for x
    x = 5,234,817,380,904.96/2,168,915.20
  6. Step 6: Final answer
    x = 2,413,564.80

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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.