Home / 2,080,208.80-3,120,313.20-818,077.60

Finding the Fourth Proportional to 2,080,208.80, 3,120,313.20 and 818,077.60

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Solution

The fourth proportional to 2,080,208.80, 3,120,313.20 and 818,077.60 is: 1,227,116.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,208.80 : 3,120,313.20 = 818,077.60 : x
  2. Step 2: Convert to fraction form
    2,080,208.80/3,120,313.20 = 818,077.60/x
  3. Step 3: Cross multiply
    2,080,208.80x = 3,120,313.20 × 818,077.60
  4. Step 4: Simplify right side
    2,080,208.80x = 2,552,658,333,904.32
  5. Step 5: Solve for x
    x = 2,552,658,333,904.32/2,080,208.80
  6. Step 6: Final answer
    x = 1,227,116.40

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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.