Home / 2,139,725.40-3,206,207.64-790,027.80

Finding the Fourth Proportional to 2,139,725.40, 3,206,207.64 and 790,027.80

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Solution

The fourth proportional to 2,139,725.40, 3,206,207.64 and 790,027.80 is: 1,183,793.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,725.40 : 3,206,207.64 = 790,027.80 : x
  2. Step 2: Convert to fraction form
    2,139,725.40/3,206,207.64 = 790,027.80/x
  3. Step 3: Cross multiply
    2,139,725.40x = 3,206,207.64 × 790,027.80
  4. Step 4: Simplify right side
    2,139,725.40x = 2,532,993,168,172.39
  5. Step 5: Solve for x
    x = 2,532,993,168,172.39/2,139,725.40
  6. Step 6: Final answer
    x = 1,183,793.57

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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.