Home / 3,516,893.20-5,274,821.40-992,803.60

Finding the Fourth Proportional to 3,516,893.20, 5,274,821.40 and 992,803.60

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Solution

The fourth proportional to 3,516,893.20, 5,274,821.40 and 992,803.60 is: 1,489,059.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516,893.20 : 5,274,821.40 = 992,803.60 : x
  2. Step 2: Convert to fraction form
    3,516,893.20/5,274,821.40 = 992,803.60/x
  3. Step 3: Cross multiply
    3,516,893.20x = 5,274,821.40 × 992,803.60
  4. Step 4: Simplify right side
    3,516,893.20x = 5,236,861,675,277.04
  5. Step 5: Solve for x
    x = 5,236,861,675,277.04/3,516,893.20
  6. Step 6: Final answer
    x = 1,489,059.06

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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.