Home / 3,438,206.80-5,157,310.20-879,416.80

Finding the Fourth Proportional to 3,438,206.80, 5,157,310.20 and 879,416.80

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Solution

The fourth proportional to 3,438,206.80, 5,157,310.20 and 879,416.80 is: 1,319,125.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438,206.80 : 5,157,310.20 = 879,416.80 : x
  2. Step 2: Convert to fraction form
    3,438,206.80/5,157,310.20 = 879,416.80/x
  3. Step 3: Cross multiply
    3,438,206.80x = 5,157,310.20 × 879,416.80
  4. Step 4: Simplify right side
    3,438,206.80x = 4,535,425,232,691.36
  5. Step 5: Solve for x
    x = 4,535,425,232,691.36/3,438,206.80
  6. Step 6: Final answer
    x = 1,319,125.20

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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.