Home / 2,191,775.50-3,024,743.60-1,224,905.76

Finding the Fourth Proportional to 2,191,775.50, 3,024,743.60 and 1,224,905.76

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Solution

The fourth proportional to 2,191,775.50, 3,024,743.60 and 1,224,905.76 is: 1,690,422.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,775.50 : 3,024,743.60 = 1,224,905.76 : x
  2. Step 2: Convert to fraction form
    2,191,775.50/3,024,743.60 = 1,224,905.76/x
  3. Step 3: Cross multiply
    2,191,775.50x = 3,024,743.60 × 1,224,905.76
  4. Step 4: Simplify right side
    2,191,775.50x = 3,705,025,858,163.14
  5. Step 5: Solve for x
    x = 3,705,025,858,163.14/2,191,775.50
  6. Step 6: Final answer
    x = 1,690,422.15

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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.