Home / 2,626,859.16-3,940,512.30-829,261.80

Finding the Fourth Proportional to 2,626,859.16, 3,940,512.30 and 829,261.80

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Solution

The fourth proportional to 2,626,859.16, 3,940,512.30 and 829,261.80 is: 1,243,963.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626,859.16 : 3,940,512.30 = 829,261.80 : x
  2. Step 2: Convert to fraction form
    2,626,859.16/3,940,512.30 = 829,261.80/x
  3. Step 3: Cross multiply
    2,626,859.16x = 3,940,512.30 × 829,261.80
  4. Step 4: Simplify right side
    2,626,859.16x = 3,267,716,322,820.14
  5. Step 5: Solve for x
    x = 3,267,716,322,820.14/2,626,859.16
  6. Step 6: Final answer
    x = 1,243,963.27

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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.