Home / 4,271,708.80-6,407,563.20-1,279,892.80

Finding the Fourth Proportional to 4,271,708.80, 6,407,563.20 and 1,279,892.80

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Solution

The fourth proportional to 4,271,708.80, 6,407,563.20 and 1,279,892.80 is: 1,919,839.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,271,708.80 : 6,407,563.20 = 1,279,892.80 : x
  2. Step 2: Convert to fraction form
    4,271,708.80/6,407,563.20 = 1,279,892.80/x
  3. Step 3: Cross multiply
    4,271,708.80x = 6,407,563.20 × 1,279,892.80
  4. Step 4: Simplify right side
    4,271,708.80x = 8,200,994,005,224.96
  5. Step 5: Solve for x
    x = 8,200,994,005,224.96/4,271,708.80
  6. Step 6: Final answer
    x = 1,919,839.20

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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.