Home / 2,650,660.40-3,978,064.20-1,230,892.40

Finding the Fourth Proportional to 2,650,660.40, 3,978,064.20 and 1,230,892.40

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Solution

The fourth proportional to 2,650,660.40, 3,978,064.20 and 1,230,892.40 is: 1,847,301.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650,660.40 : 3,978,064.20 = 1,230,892.40 : x
  2. Step 2: Convert to fraction form
    2,650,660.40/3,978,064.20 = 1,230,892.40/x
  3. Step 3: Cross multiply
    2,650,660.40x = 3,978,064.20 × 1,230,892.40
  4. Step 4: Simplify right side
    2,650,660.40x = 4,896,568,990,492.08
  5. Step 5: Solve for x
    x = 4,896,568,990,492.08/2,650,660.40
  6. Step 6: Final answer
    x = 1,847,301.52

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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.