Home / 3,455,428.80-5,183,143.20-2,198,827.20

Finding the Fourth Proportional to 3,455,428.80, 5,183,143.20 and 2,198,827.20

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Solution

The fourth proportional to 3,455,428.80, 5,183,143.20 and 2,198,827.20 is: 3,298,240.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455,428.80 : 5,183,143.20 = 2,198,827.20 : x
  2. Step 2: Convert to fraction form
    3,455,428.80/5,183,143.20 = 2,198,827.20/x
  3. Step 3: Cross multiply
    3,455,428.80x = 5,183,143.20 × 2,198,827.20
  4. Step 4: Simplify right side
    3,455,428.80x = 11,396,836,249,655.04
  5. Step 5: Solve for x
    x = 11,396,836,249,655.04/3,455,428.80
  6. Step 6: Final answer
    x = 3,298,240.80

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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.