Home / 2,190,951.20-3,286,426.80-615,015.20

Finding the Fourth Proportional to 2,190,951.20, 3,286,426.80 and 615,015.20

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Solution

The fourth proportional to 2,190,951.20, 3,286,426.80 and 615,015.20 is: 922,522.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,951.20 : 3,286,426.80 = 615,015.20 : x
  2. Step 2: Convert to fraction form
    2,190,951.20/3,286,426.80 = 615,015.20/x
  3. Step 3: Cross multiply
    2,190,951.20x = 3,286,426.80 × 615,015.20
  4. Step 4: Simplify right side
    2,190,951.20x = 2,021,202,435,687.36
  5. Step 5: Solve for x
    x = 2,021,202,435,687.36/2,190,951.20
  6. Step 6: Final answer
    x = 922,522.80

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Double scale
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Similar ratio
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1.5x scale

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.