Home / 2,212,862.10-3,318,839.55-615,023.70

Finding the Fourth Proportional to 2,212,862.10, 3,318,839.55 and 615,023.70

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Solution

The fourth proportional to 2,212,862.10, 3,318,839.55 and 615,023.70 is: 922,409.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212,862.10 : 3,318,839.55 = 615,023.70 : x
  2. Step 2: Convert to fraction form
    2,212,862.10/3,318,839.55 = 615,023.70/x
  3. Step 3: Cross multiply
    2,212,862.10x = 3,318,839.55 × 615,023.70
  4. Step 4: Simplify right side
    2,212,862.10x = 2,041,164,979,747.33
  5. Step 5: Solve for x
    x = 2,041,164,979,747.33/2,212,862.10
  6. Step 6: Final answer
    x = 922,409.48

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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.