Home / 3,640,757.91-5,024,366.47-1,986,995.32

Finding the Fourth Proportional to 3,640,757.91, 5,024,366.47 and 1,986,995.32

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Solution

The fourth proportional to 3,640,757.91, 5,024,366.47 and 1,986,995.32 is: 2,742,119.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640,757.91 : 5,024,366.47 = 1,986,995.32 : x
  2. Step 2: Convert to fraction form
    3,640,757.91/5,024,366.47 = 1,986,995.32/x
  3. Step 3: Cross multiply
    3,640,757.91x = 5,024,366.47 × 1,986,995.32
  4. Step 4: Simplify right side
    3,640,757.91x = 9,983,392,661,854.92
  5. Step 5: Solve for x
    x = 9,983,392,661,854.92/3,640,757.91
  6. Step 6: Final answer
    x = 2,742,119.34

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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.