Home / 3,193,275.87-4,790,647.32-918,819.12

Finding the Fourth Proportional to 3,193,275.87, 4,790,647.32 and 918,819.12

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Solution

The fourth proportional to 3,193,275.87, 4,790,647.32 and 918,819.12 is: 1,378,439.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,193,275.87 : 4,790,647.32 = 918,819.12 : x
  2. Step 2: Convert to fraction form
    3,193,275.87/4,790,647.32 = 918,819.12/x
  3. Step 3: Cross multiply
    3,193,275.87x = 4,790,647.32 × 918,819.12
  4. Step 4: Simplify right side
    3,193,275.87x = 4,401,738,354,792.76
  5. Step 5: Solve for x
    x = 4,401,738,354,792.76/3,193,275.87
  6. Step 6: Final answer
    x = 1,378,439.74

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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.