Home / 2,080,275.20-3,120,412.80-881,993.60

Finding the Fourth Proportional to 2,080,275.20, 3,120,412.80 and 881,993.60

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Solution

The fourth proportional to 2,080,275.20, 3,120,412.80 and 881,993.60 is: 1,322,990.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,275.20 : 3,120,412.80 = 881,993.60 : x
  2. Step 2: Convert to fraction form
    2,080,275.20/3,120,412.80 = 881,993.60/x
  3. Step 3: Cross multiply
    2,080,275.20x = 3,120,412.80 × 881,993.60
  4. Step 4: Simplify right side
    2,080,275.20x = 2,752,184,118,958.08
  5. Step 5: Solve for x
    x = 2,752,184,118,958.08/2,080,275.20
  6. Step 6: Final answer
    x = 1,322,990.40

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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.