Home / 2,215,057.06-3,056,778.86-1,196,461.82

Finding the Fourth Proportional to 2,215,057.06, 3,056,778.86 and 1,196,461.82

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Solution

The fourth proportional to 2,215,057.06, 3,056,778.86 and 1,196,461.82 is: 1,651,117.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215,057.06 : 3,056,778.86 = 1,196,461.82 : x
  2. Step 2: Convert to fraction form
    2,215,057.06/3,056,778.86 = 1,196,461.82/x
  3. Step 3: Cross multiply
    2,215,057.06x = 3,056,778.86 × 1,196,461.82
  4. Step 4: Simplify right side
    2,215,057.06x = 3,657,319,198,173.13
  5. Step 5: Solve for x
    x = 3,657,319,198,173.13/2,215,057.06
  6. Step 6: Final answer
    x = 1,651,117.37

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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.