Home / 2,080,802.40-3,121,203.60-660,969.60

Finding the Fourth Proportional to 2,080,802.40, 3,121,203.60 and 660,969.60

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Solution

The fourth proportional to 2,080,802.40, 3,121,203.60 and 660,969.60 is: 991,454.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,802.40 : 3,121,203.60 = 660,969.60 : x
  2. Step 2: Convert to fraction form
    2,080,802.40/3,121,203.60 = 660,969.60/x
  3. Step 3: Cross multiply
    2,080,802.40x = 3,121,203.60 × 660,969.60
  4. Step 4: Simplify right side
    2,080,802.40x = 2,063,020,695,010.56
  5. Step 5: Solve for x
    x = 2,063,020,695,010.56/2,080,802.40
  6. Step 6: Final answer
    x = 991,454.40

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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.