Home / 2,643,204.67-3,647,551.57-1,555,540.32

Finding the Fourth Proportional to 2,643,204.67, 3,647,551.57 and 1,555,540.32

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Solution

The fourth proportional to 2,643,204.67, 3,647,551.57 and 1,555,540.32 is: 2,146,603.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,643,204.67 : 3,647,551.57 = 1,555,540.32 : x
  2. Step 2: Convert to fraction form
    2,643,204.67/3,647,551.57 = 1,555,540.32/x
  3. Step 3: Cross multiply
    2,643,204.67x = 3,647,551.57 × 1,555,540.32
  4. Step 4: Simplify right side
    2,643,204.67x = 5,673,913,536,414.30
  5. Step 5: Solve for x
    x = 5,673,913,536,414.30/2,643,204.67
  6. Step 6: Final answer
    x = 2,146,603.93

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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.