Home / 2,174,128.20-3,261,192.30-1,376,310.60

Finding the Fourth Proportional to 2,174,128.20, 3,261,192.30 and 1,376,310.60

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Solution

The fourth proportional to 2,174,128.20, 3,261,192.30 and 1,376,310.60 is: 2,064,465.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174,128.20 : 3,261,192.30 = 1,376,310.60 : x
  2. Step 2: Convert to fraction form
    2,174,128.20/3,261,192.30 = 1,376,310.60/x
  3. Step 3: Cross multiply
    2,174,128.20x = 3,261,192.30 × 1,376,310.60
  4. Step 4: Simplify right side
    2,174,128.20x = 4,488,413,531,128.38
  5. Step 5: Solve for x
    x = 4,488,413,531,128.38/2,174,128.20
  6. Step 6: Final answer
    x = 2,064,465.90

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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.