Home / 3,532,406.20-5,298,609.30-1,288,252.60

Finding the Fourth Proportional to 3,532,406.20, 5,298,609.30 and 1,288,252.60

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Solution

The fourth proportional to 3,532,406.20, 5,298,609.30 and 1,288,252.60 is: 1,932,378.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,532,406.20 : 5,298,609.30 = 1,288,252.60 : x
  2. Step 2: Convert to fraction form
    3,532,406.20/5,298,609.30 = 1,288,252.60/x
  3. Step 3: Cross multiply
    3,532,406.20x = 5,298,609.30 × 1,288,252.60
  4. Step 4: Simplify right side
    3,532,406.20x = 6,825,947,207,109.18
  5. Step 5: Solve for x
    x = 6,825,947,207,109.18/3,532,406.20
  6. Step 6: Final answer
    x = 1,932,378.90

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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.