Home / 1,899,283.78-2,621,010.36-1,039,843.82

Finding the Fourth Proportional to 1,899,283.78, 2,621,010.36 and 1,039,843.82

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Solution

The fourth proportional to 1,899,283.78, 2,621,010.36 and 1,039,843.82 is: 1,434,983.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,283.78 : 2,621,010.36 = 1,039,843.82 : x
  2. Step 2: Convert to fraction form
    1,899,283.78/2,621,010.36 = 1,039,843.82/x
  3. Step 3: Cross multiply
    1,899,283.78x = 2,621,010.36 × 1,039,843.82
  4. Step 4: Simplify right side
    1,899,283.78x = 2,725,441,425,001.98
  5. Step 5: Solve for x
    x = 2,725,441,425,001.98/1,899,283.78
  6. Step 6: Final answer
    x = 1,434,983.78

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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.