Home / 2,099,613.40-3,150,197.70-838,346.20

Finding the Fourth Proportional to 2,099,613.40, 3,150,197.70 and 838,346.20

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Solution

The fourth proportional to 2,099,613.40, 3,150,197.70 and 838,346.20 is: 1,257,829.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099,613.40 : 3,150,197.70 = 838,346.20 : x
  2. Step 2: Convert to fraction form
    2,099,613.40/3,150,197.70 = 838,346.20/x
  3. Step 3: Cross multiply
    2,099,613.40x = 3,150,197.70 × 838,346.20
  4. Step 4: Simplify right side
    2,099,613.40x = 2,640,956,271,043.74
  5. Step 5: Solve for x
    x = 2,640,956,271,043.74/2,099,613.40
  6. Step 6: Final answer
    x = 1,257,829.78

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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.