Home / 2,212,917.60-3,318,922.80-615,079.20

Finding the Fourth Proportional to 2,212,917.60, 3,318,922.80 and 615,079.20

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Solution

The fourth proportional to 2,212,917.60, 3,318,922.80 and 615,079.20 is: 922,492.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212,917.60 : 3,318,922.80 = 615,079.20 : x
  2. Step 2: Convert to fraction form
    2,212,917.60/3,318,922.80 = 615,079.20/x
  3. Step 3: Cross multiply
    2,212,917.60x = 3,318,922.80 × 615,079.20
  4. Step 4: Simplify right side
    2,212,917.60x = 2,041,400,380,685.76
  5. Step 5: Solve for x
    x = 2,041,400,380,685.76/2,212,917.60
  6. Step 6: Final answer
    x = 922,492.72

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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.