Home / 1,900,843.78-2,851,027.80-621,344.17

Finding the Fourth Proportional to 1,900,843.78, 2,851,027.80 and 621,344.17

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Solution

The fourth proportional to 1,900,843.78, 2,851,027.80 and 621,344.17 is: 931,938.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,843.78 : 2,851,027.80 = 621,344.17 : x
  2. Step 2: Convert to fraction form
    1,900,843.78/2,851,027.80 = 621,344.17/x
  3. Step 3: Cross multiply
    1,900,843.78x = 2,851,027.80 × 621,344.17
  4. Step 4: Simplify right side
    1,900,843.78x = 1,771,469,502,037.93
  5. Step 5: Solve for x
    x = 1,771,469,502,037.93/1,900,843.78
  6. Step 6: Final answer
    x = 931,938.50

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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.