Home / 2,069,729.58-3,105,110.88-721,911.54

Finding the Fourth Proportional to 2,069,729.58, 3,105,110.88 and 721,911.54

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Solution

The fourth proportional to 2,069,729.58, 3,105,110.88 and 721,911.54 is: 1,083,047.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,069,729.58 : 3,105,110.88 = 721,911.54 : x
  2. Step 2: Convert to fraction form
    2,069,729.58/3,105,110.88 = 721,911.54/x
  3. Step 3: Cross multiply
    2,069,729.58x = 3,105,110.88 × 721,911.54
  4. Step 4: Simplify right side
    2,069,729.58x = 2,241,615,377,251.56
  5. Step 5: Solve for x
    x = 2,241,615,377,251.56/2,069,729.58
  6. Step 6: Final answer
    x = 1,083,047.47

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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.