Home / 2,078,092.60-3,119,107.20-1,280,931.10

Finding the Fourth Proportional to 2,078,092.60, 3,119,107.20 and 1,280,931.10

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Solution

The fourth proportional to 2,078,092.60, 3,119,107.20 and 1,280,931.10 is: 1,922,609.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,092.60 : 3,119,107.20 = 1,280,931.10 : x
  2. Step 2: Convert to fraction form
    2,078,092.60/3,119,107.20 = 1,280,931.10/x
  3. Step 3: Cross multiply
    2,078,092.60x = 3,119,107.20 × 1,280,931.10
  4. Step 4: Simplify right side
    2,078,092.60x = 3,995,361,416,713.92
  5. Step 5: Solve for x
    x = 3,995,361,416,713.92/2,078,092.60
  6. Step 6: Final answer
    x = 1,922,609.91

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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.