Home / 2,191,938.24-3,288,220.74-675,749.40

Finding the Fourth Proportional to 2,191,938.24, 3,288,220.74 and 675,749.40

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Solution

The fourth proportional to 2,191,938.24, 3,288,220.74 and 675,749.40 is: 1,013,720.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,938.24 : 3,288,220.74 = 675,749.40 : x
  2. Step 2: Convert to fraction form
    2,191,938.24/3,288,220.74 = 675,749.40/x
  3. Step 3: Cross multiply
    2,191,938.24x = 3,288,220.74 × 675,749.40
  4. Step 4: Simplify right side
    2,191,938.24x = 2,222,013,192,122.56
  5. Step 5: Solve for x
    x = 2,222,013,192,122.56/2,191,938.24
  6. Step 6: Final answer
    x = 1,013,720.71

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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.