Home / 3,906,754.56-5,387,212.80-2,890,275.84

Finding the Fourth Proportional to 3,906,754.56, 5,387,212.80 and 2,890,275.84

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Solution

The fourth proportional to 3,906,754.56, 5,387,212.80 and 2,890,275.84 is: 3,985,541.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,906,754.56 : 5,387,212.80 = 2,890,275.84 : x
  2. Step 2: Convert to fraction form
    3,906,754.56/5,387,212.80 = 2,890,275.84/x
  3. Step 3: Cross multiply
    3,906,754.56x = 5,387,212.80 × 2,890,275.84
  4. Step 4: Simplify right side
    3,906,754.56x = 15,570,531,000,778.75
  5. Step 5: Solve for x
    x = 15,570,531,000,778.75/3,906,754.56
  6. Step 6: Final answer
    x = 3,985,541.13

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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.