Home / 3,309,787.20-4,962,056.40-1,813,879.20

Finding the Fourth Proportional to 3,309,787.20, 4,962,056.40 and 1,813,879.20

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Solution

The fourth proportional to 3,309,787.20, 4,962,056.40 and 1,813,879.20 is: 2,719,380.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309,787.20 : 4,962,056.40 = 1,813,879.20 : x
  2. Step 2: Convert to fraction form
    3,309,787.20/4,962,056.40 = 1,813,879.20/x
  3. Step 3: Cross multiply
    3,309,787.20x = 4,962,056.40 × 1,813,879.20
  4. Step 4: Simplify right side
    3,309,787.20x = 9,000,570,893,186.88
  5. Step 5: Solve for x
    x = 9,000,570,893,186.88/3,309,787.20
  6. Step 6: Final answer
    x = 2,719,380.54

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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.