Home / 3,525,375.78-5,288,189.00-1,128,909.02

Finding the Fourth Proportional to 3,525,375.78, 5,288,189.00 and 1,128,909.02

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Solution

The fourth proportional to 3,525,375.78, 5,288,189.00 and 1,128,909.02 is: 1,693,403.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,525,375.78 : 5,288,189.00 = 1,128,909.02 : x
  2. Step 2: Convert to fraction form
    3,525,375.78/5,288,189.00 = 1,128,909.02/x
  3. Step 3: Cross multiply
    3,525,375.78x = 5,288,189.00 × 1,128,909.02
  4. Step 4: Simplify right side
    3,525,375.78x = 5,969,884,229,479.29
  5. Step 5: Solve for x
    x = 5,969,884,229,479.29/3,525,375.78
  6. Step 6: Final answer
    x = 1,693,403.65

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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.