Home / 2,077,487.60-3,115,453.80-729,129.20

Finding the Fourth Proportional to 2,077,487.60, 3,115,453.80 and 729,129.20

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Solution

The fourth proportional to 2,077,487.60, 3,115,453.80 and 729,129.20 is: 1,093,420.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077,487.60 : 3,115,453.80 = 729,129.20 : x
  2. Step 2: Convert to fraction form
    2,077,487.60/3,115,453.80 = 729,129.20/x
  3. Step 3: Cross multiply
    2,077,487.60x = 3,115,453.80 × 729,129.20
  4. Step 4: Simplify right side
    2,077,487.60x = 2,271,568,336,830.96
  5. Step 5: Solve for x
    x = 2,271,568,336,830.96/2,077,487.60
  6. Step 6: Final answer
    x = 1,093,420.89

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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.