Home / 2,265,609.53-3,126,629.80-1,247,109.05

Finding the Fourth Proportional to 2,265,609.53, 3,126,629.80 and 1,247,109.05

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Solution

The fourth proportional to 2,265,609.53, 3,126,629.80 and 1,247,109.05 is: 1,721,059.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265,609.53 : 3,126,629.80 = 1,247,109.05 : x
  2. Step 2: Convert to fraction form
    2,265,609.53/3,126,629.80 = 1,247,109.05/x
  3. Step 3: Cross multiply
    2,265,609.53x = 3,126,629.80 × 1,247,109.05
  4. Step 4: Simplify right side
    2,265,609.53x = 3,899,248,328,955.15
  5. Step 5: Solve for x
    x = 3,899,248,328,955.15/2,265,609.53
  6. Step 6: Final answer
    x = 1,721,059.29

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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.