Home / 5,659,727.41-7,811,129.60-3,213,130.51

Finding the Fourth Proportional to 5,659,727.41, 7,811,129.60 and 3,213,130.51

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Solution

The fourth proportional to 5,659,727.41, 7,811,129.60 and 3,213,130.51 is: 4,434,520.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,659,727.41 : 7,811,129.60 = 3,213,130.51 : x
  2. Step 2: Convert to fraction form
    5,659,727.41/7,811,129.60 = 3,213,130.51/x
  3. Step 3: Cross multiply
    5,659,727.41x = 7,811,129.60 × 3,213,130.51
  4. Step 4: Simplify right side
    5,659,727.41x = 25,098,178,841,071.59
  5. Step 5: Solve for x
    x = 25,098,178,841,071.59/5,659,727.41
  6. Step 6: Final answer
    x = 4,434,520.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.