Home / 2,080,209.60-3,120,616.80-882,129.60

Finding the Fourth Proportional to 2,080,209.60, 3,120,616.80 and 882,129.60

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Solution

The fourth proportional to 2,080,209.60, 3,120,616.80 and 882,129.60 is: 1,323,322.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,209.60 : 3,120,616.80 = 882,129.60 : x
  2. Step 2: Convert to fraction form
    2,080,209.60/3,120,616.80 = 882,129.60/x
  3. Step 3: Cross multiply
    2,080,209.60x = 3,120,616.80 × 882,129.60
  4. Step 4: Simplify right side
    2,080,209.60x = 2,752,788,449,537.28
  5. Step 5: Solve for x
    x = 2,752,788,449,537.28/2,080,209.60
  6. Step 6: Final answer
    x = 1,323,322.64

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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.