Home / 1,689,542.30-2,541,505.26-1,531,523.80

Finding the Fourth Proportional to 1,689,542.30, 2,541,505.26 and 1,531,523.80

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Solution

The fourth proportional to 1,689,542.30, 2,541,505.26 and 1,531,523.80 is: 2,303,804.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,542.30 : 2,541,505.26 = 1,531,523.80 : x
  2. Step 2: Convert to fraction form
    1,689,542.30/2,541,505.26 = 1,531,523.80/x
  3. Step 3: Cross multiply
    1,689,542.30x = 2,541,505.26 × 1,531,523.80
  4. Step 4: Simplify right side
    1,689,542.30x = 3,892,375,793,820.46
  5. Step 5: Solve for x
    x = 3,892,375,793,820.46/1,689,542.30
  6. Step 6: Final answer
    x = 2,303,804.88

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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.