Home / 2,643,202.92-3,647,549.16-1,555,538.57

Finding the Fourth Proportional to 2,643,202.92, 3,647,549.16 and 1,555,538.57

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Solution

The fourth proportional to 2,643,202.92, 3,647,549.16 and 1,555,538.57 is: 2,146,601.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,643,202.92 : 3,647,549.16 = 1,555,538.57 : x
  2. Step 2: Convert to fraction form
    2,643,202.92/3,647,549.16 = 1,555,538.57/x
  3. Step 3: Cross multiply
    2,643,202.92x = 3,647,549.16 × 1,555,538.57
  4. Step 4: Simplify right side
    2,643,202.92x = 5,673,903,386,113.36
  5. Step 5: Solve for x
    x = 5,673,903,386,113.36/2,643,202.92
  6. Step 6: Final answer
    x = 2,146,601.51

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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.