Home / 3,172,765.60-4,378,492.68-1,722,522.16

Finding the Fourth Proportional to 3,172,765.60, 4,378,492.68 and 1,722,522.16

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Solution

The fourth proportional to 3,172,765.60, 4,378,492.68 and 1,722,522.16 is: 2,377,121.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,765.60 : 4,378,492.68 = 1,722,522.16 : x
  2. Step 2: Convert to fraction form
    3,172,765.60/4,378,492.68 = 1,722,522.16/x
  3. Step 3: Cross multiply
    3,172,765.60x = 4,378,492.68 × 1,722,522.16
  4. Step 4: Simplify right side
    3,172,765.60x = 7,542,050,668,697.79
  5. Step 5: Solve for x
    x = 7,542,050,668,697.79/3,172,765.60
  6. Step 6: Final answer
    x = 2,377,121.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.