Home / 1,904,138.79-2,627,021.86-1,251,116.52

Finding the Fourth Proportional to 1,904,138.79, 2,627,021.86 and 1,251,116.52

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Solution

The fourth proportional to 1,904,138.79, 2,627,021.86 and 1,251,116.52 is: 1,726,087.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904,138.79 : 2,627,021.86 = 1,251,116.52 : x
  2. Step 2: Convert to fraction form
    1,904,138.79/2,627,021.86 = 1,251,116.52/x
  3. Step 3: Cross multiply
    1,904,138.79x = 2,627,021.86 × 1,251,116.52
  4. Step 4: Simplify right side
    1,904,138.79x = 3,286,710,447,447.13
  5. Step 5: Solve for x
    x = 3,286,710,447,447.13/1,904,138.79
  6. Step 6: Final answer
    x = 1,726,087.65

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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.