Home / 3,380,340.60-5,070,842.10-984,209.40

Finding the Fourth Proportional to 3,380,340.60, 5,070,842.10 and 984,209.40

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Solution

The fourth proportional to 3,380,340.60, 5,070,842.10 and 984,209.40 is: 1,476,410.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380,340.60 : 5,070,842.10 = 984,209.40 : x
  2. Step 2: Convert to fraction form
    3,380,340.60/5,070,842.10 = 984,209.40/x
  3. Step 3: Cross multiply
    3,380,340.60x = 5,070,842.10 × 984,209.40
  4. Step 4: Simplify right side
    3,380,340.60x = 4,990,770,460,735.74
  5. Step 5: Solve for x
    x = 4,990,770,460,735.74/3,380,340.60
  6. Step 6: Final answer
    x = 1,476,410.53

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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.