Home / 1,943,807.34-2,682,987.60-1,128,273.78

Finding the Fourth Proportional to 1,943,807.34, 2,682,987.60 and 1,128,273.78

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Solution

The fourth proportional to 1,943,807.34, 2,682,987.60 and 1,128,273.78 is: 1,557,327.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,807.34 : 2,682,987.60 = 1,128,273.78 : x
  2. Step 2: Convert to fraction form
    1,943,807.34/2,682,987.60 = 1,128,273.78/x
  3. Step 3: Cross multiply
    1,943,807.34x = 2,682,987.60 × 1,128,273.78
  4. Step 4: Simplify right side
    1,943,807.34x = 3,027,144,561,145.13
  5. Step 5: Solve for x
    x = 3,027,144,561,145.13/1,943,807.34
  6. Step 6: Final answer
    x = 1,557,327.47

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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.