Home / 2,758,686.39-4,138,625.16-839,747.64

Finding the Fourth Proportional to 2,758,686.39, 4,138,625.16 and 839,747.64

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Solution

The fourth proportional to 2,758,686.39, 4,138,625.16 and 839,747.64 is: 1,259,802.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758,686.39 : 4,138,625.16 = 839,747.64 : x
  2. Step 2: Convert to fraction form
    2,758,686.39/4,138,625.16 = 839,747.64/x
  3. Step 3: Cross multiply
    2,758,686.39x = 4,138,625.16 × 839,747.64
  4. Step 4: Simplify right side
    2,758,686.39x = 3,475,400,710,954.62
  5. Step 5: Solve for x
    x = 3,475,400,710,954.62/2,758,686.39
  6. Step 6: Final answer
    x = 1,259,802.75

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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.