Home / 5,338,145.43-7,366,644.63-2,890,759.19

Finding the Fourth Proportional to 5,338,145.43, 7,366,644.63 and 2,890,759.19

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Solution

The fourth proportional to 5,338,145.43, 7,366,644.63 and 2,890,759.19 is: 3,989,249.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338,145.43 : 7,366,644.63 = 2,890,759.19 : x
  2. Step 2: Convert to fraction form
    5,338,145.43/7,366,644.63 = 2,890,759.19/x
  3. Step 3: Cross multiply
    5,338,145.43x = 7,366,644.63 × 2,890,759.19
  4. Step 4: Simplify right side
    5,338,145.43x = 21,295,195,626,803.43
  5. Step 5: Solve for x
    x = 21,295,195,626,803.43/5,338,145.43
  6. Step 6: Final answer
    x = 3,989,249.81

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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.