Home / 2,947,869.55-4,421,309.68-818,170.03

Finding the Fourth Proportional to 2,947,869.55, 4,421,309.68 and 818,170.03

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Solution

The fourth proportional to 2,947,869.55, 4,421,309.68 and 818,170.03 is: 1,227,117.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947,869.55 : 4,421,309.68 = 818,170.03 : x
  2. Step 2: Convert to fraction form
    2,947,869.55/4,421,309.68 = 818,170.03/x
  3. Step 3: Cross multiply
    2,947,869.55x = 4,421,309.68 × 818,170.03
  4. Step 4: Simplify right side
    2,947,869.55x = 3,617,383,073,524.89
  5. Step 5: Solve for x
    x = 3,617,383,073,524.89/2,947,869.55
  6. Step 6: Final answer
    x = 1,227,117.76

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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.