Home / 3,389,022.60-5,081,930.10-1,969,513.80

Finding the Fourth Proportional to 3,389,022.60, 5,081,930.10 and 1,969,513.80

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Solution

The fourth proportional to 3,389,022.60, 5,081,930.10 and 1,969,513.80 is: 2,953,338.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389,022.60 : 5,081,930.10 = 1,969,513.80 : x
  2. Step 2: Convert to fraction form
    3,389,022.60/5,081,930.10 = 1,969,513.80/x
  3. Step 3: Cross multiply
    3,389,022.60x = 5,081,930.10 × 1,969,513.80
  4. Step 4: Simplify right side
    3,389,022.60x = 10,008,931,462,585.38
  5. Step 5: Solve for x
    x = 10,008,931,462,585.38/3,389,022.60
  6. Step 6: Final answer
    x = 2,953,338.66

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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.