Home / 2,171,445.20-3,255,612.60-908,622.80

Finding the Fourth Proportional to 2,171,445.20, 3,255,612.60 and 908,622.80

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Solution

The fourth proportional to 2,171,445.20, 3,255,612.60 and 908,622.80 is: 1,362,283.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,445.20 : 3,255,612.60 = 908,622.80 : x
  2. Step 2: Convert to fraction form
    2,171,445.20/3,255,612.60 = 908,622.80/x
  3. Step 3: Cross multiply
    2,171,445.20x = 3,255,612.60 × 908,622.80
  4. Step 4: Simplify right side
    2,171,445.20x = 2,958,123,836,327.28
  5. Step 5: Solve for x
    x = 2,958,123,836,327.28/2,171,445.20
  6. Step 6: Final answer
    x = 1,362,283.44

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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.