Home / 3,793,916.40-5,235,286.68-2,139,972.12

Finding the Fourth Proportional to 3,793,916.40, 5,235,286.68 and 2,139,972.12

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Solution

The fourth proportional to 3,793,916.40, 5,235,286.68 and 2,139,972.12 is: 2,952,982.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,793,916.40 : 5,235,286.68 = 2,139,972.12 : x
  2. Step 2: Convert to fraction form
    3,793,916.40/5,235,286.68 = 2,139,972.12/x
  3. Step 3: Cross multiply
    3,793,916.40x = 5,235,286.68 × 2,139,972.12
  4. Step 4: Simplify right side
    3,793,916.40x = 11,203,367,535,407.36
  5. Step 5: Solve for x
    x = 11,203,367,535,407.36/3,793,916.40
  6. Step 6: Final answer
    x = 2,952,982.18

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.