Home / 3,969,003.20-5,953,504.80-1,128,746.30

Finding the Fourth Proportional to 3,969,003.20, 5,953,504.80 and 1,128,746.30

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Solution

The fourth proportional to 3,969,003.20, 5,953,504.80 and 1,128,746.30 is: 1,693,119.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969,003.20 : 5,953,504.80 = 1,128,746.30 : x
  2. Step 2: Convert to fraction form
    3,969,003.20/5,953,504.80 = 1,128,746.30/x
  3. Step 3: Cross multiply
    3,969,003.20x = 5,953,504.80 × 1,128,746.30
  4. Step 4: Simplify right side
    3,969,003.20x = 6,719,996,515,032.24
  5. Step 5: Solve for x
    x = 6,719,996,515,032.24/3,969,003.20
  6. Step 6: Final answer
    x = 1,693,119.45

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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.