Home / 3,929,678.48-5,894,517.72-1,405,180.64

Finding the Fourth Proportional to 3,929,678.48, 5,894,517.72 and 1,405,180.64

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Solution

The fourth proportional to 3,929,678.48, 5,894,517.72 and 1,405,180.64 is: 2,107,770.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929,678.48 : 5,894,517.72 = 1,405,180.64 : x
  2. Step 2: Convert to fraction form
    3,929,678.48/5,894,517.72 = 1,405,180.64/x
  3. Step 3: Cross multiply
    3,929,678.48x = 5,894,517.72 × 1,405,180.64
  4. Step 4: Simplify right side
    3,929,678.48x = 8,282,862,182,280.94
  5. Step 5: Solve for x
    x = 8,282,862,182,280.94/3,929,678.48
  6. Step 6: Final answer
    x = 2,107,770.96

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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.