Home / 2,748,378.60-4,122,519.30-1,128,796.56

Finding the Fourth Proportional to 2,748,378.60, 4,122,519.30 and 1,128,796.56

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Solution

The fourth proportional to 2,748,378.60, 4,122,519.30 and 1,128,796.56 is: 1,693,174.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748,378.60 : 4,122,519.30 = 1,128,796.56 : x
  2. Step 2: Convert to fraction form
    2,748,378.60/4,122,519.30 = 1,128,796.56/x
  3. Step 3: Cross multiply
    2,748,378.60x = 4,122,519.30 × 1,128,796.56
  4. Step 4: Simplify right side
    2,748,378.60x = 4,653,485,604,373.61
  5. Step 5: Solve for x
    x = 4,653,485,604,373.61/2,748,378.60
  6. Step 6: Final answer
    x = 1,693,174.88

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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.