Home / 3,728,829.71-5,145,734.21-2,097,236.43

Finding the Fourth Proportional to 3,728,829.71, 5,145,734.21 and 2,097,236.43

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Solution

The fourth proportional to 3,728,829.71, 5,145,734.21 and 2,097,236.43 is: 2,894,157.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728,829.71 : 5,145,734.21 = 2,097,236.43 : x
  2. Step 2: Convert to fraction form
    3,728,829.71/5,145,734.21 = 2,097,236.43/x
  3. Step 3: Cross multiply
    3,728,829.71x = 5,145,734.21 × 2,097,236.43
  4. Step 4: Simplify right side
    3,728,829.71x = 10,791,821,218,580.60
  5. Step 5: Solve for x
    x = 10,791,821,218,580.60/3,728,829.71
  6. Step 6: Final answer
    x = 2,894,157.70

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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.