Home / 2,916,903.60-4,375,355.40-2,198,401.20

Finding the Fourth Proportional to 2,916,903.60, 4,375,355.40 and 2,198,401.20

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Solution

The fourth proportional to 2,916,903.60, 4,375,355.40 and 2,198,401.20 is: 3,297,601.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916,903.60 : 4,375,355.40 = 2,198,401.20 : x
  2. Step 2: Convert to fraction form
    2,916,903.60/4,375,355.40 = 2,198,401.20/x
  3. Step 3: Cross multiply
    2,916,903.60x = 4,375,355.40 × 2,198,401.20
  4. Step 4: Simplify right side
    2,916,903.60x = 9,618,786,561,786.48
  5. Step 5: Solve for x
    x = 9,618,786,561,786.48/2,916,903.60
  6. Step 6: Final answer
    x = 3,297,601.80

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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.