Home / 2,619,647.20-3,929,970.18-914,277.64

Finding the Fourth Proportional to 2,619,647.20, 3,929,970.18 and 914,277.64

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Solution

The fourth proportional to 2,619,647.20, 3,929,970.18 and 914,277.64 is: 1,371,590.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619,647.20 : 3,929,970.18 = 914,277.64 : x
  2. Step 2: Convert to fraction form
    2,619,647.20/3,929,970.18 = 914,277.64/x
  3. Step 3: Cross multiply
    2,619,647.20x = 3,929,970.18 × 914,277.64
  4. Step 4: Simplify right side
    2,619,647.20x = 3,593,083,861,440.78
  5. Step 5: Solve for x
    x = 3,593,083,861,440.78/2,619,647.20
  6. Step 6: Final answer
    x = 1,371,590.75

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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.