Home / 2,215,755.81-3,325,127.39-776,452.16

Finding the Fourth Proportional to 2,215,755.81, 3,325,127.39 and 776,452.16

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Solution

The fourth proportional to 2,215,755.81, 3,325,127.39 and 776,452.16 is: 1,165,201.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215,755.81 : 3,325,127.39 = 776,452.16 : x
  2. Step 2: Convert to fraction form
    2,215,755.81/3,325,127.39 = 776,452.16/x
  3. Step 3: Cross multiply
    2,215,755.81x = 3,325,127.39 × 776,452.16
  4. Step 4: Simplify right side
    2,215,755.81x = 2,581,802,340,358.40
  5. Step 5: Solve for x
    x = 2,581,802,340,358.40/2,215,755.81
  6. Step 6: Final answer
    x = 1,165,201.66

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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.