Home / 3,555,398.50-5,334,130.56-1,280,879.62

Finding the Fourth Proportional to 3,555,398.50, 5,334,130.56 and 1,280,879.62

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Solution

The fourth proportional to 3,555,398.50, 5,334,130.56 and 1,280,879.62 is: 1,921,691.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555,398.50 : 5,334,130.56 = 1,280,879.62 : x
  2. Step 2: Convert to fraction form
    3,555,398.50/5,334,130.56 = 1,280,879.62/x
  3. Step 3: Cross multiply
    3,555,398.50x = 5,334,130.56 × 1,280,879.62
  4. Step 4: Simplify right side
    3,555,398.50x = 6,832,379,124,723.19
  5. Step 5: Solve for x
    x = 6,832,379,124,723.19/3,555,398.50
  6. Step 6: Final answer
    x = 1,921,691.51

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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.