Home / 4,311,512.20-6,467,268.30-1,278,987.40

Finding the Fourth Proportional to 4,311,512.20, 6,467,268.30 and 1,278,987.40

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Solution

The fourth proportional to 4,311,512.20, 6,467,268.30 and 1,278,987.40 is: 1,918,481.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311,512.20 : 6,467,268.30 = 1,278,987.40 : x
  2. Step 2: Convert to fraction form
    4,311,512.20/6,467,268.30 = 1,278,987.40/x
  3. Step 3: Cross multiply
    4,311,512.20x = 6,467,268.30 × 1,278,987.40
  4. Step 4: Simplify right side
    4,311,512.20x = 8,271,554,668,119.42
  5. Step 5: Solve for x
    x = 8,271,554,668,119.42/4,311,512.20
  6. Step 6: Final answer
    x = 1,918,481.10

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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.