Home / 1,943,776-2,682,944.39-1,128,242.43

Finding the Fourth Proportional to 1,943,776, 2,682,944.39 and 1,128,242.43

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Solution

The fourth proportional to 1,943,776, 2,682,944.39 and 1,128,242.43 is: 1,557,284.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,776 : 2,682,944.39 = 1,128,242.43 : x
  2. Step 2: Convert to fraction form
    1,943,776/2,682,944.39 = 1,128,242.43/x
  3. Step 3: Cross multiply
    1,943,776x = 2,682,944.39 × 1,128,242.43
  4. Step 4: Simplify right side
    1,943,776x = 3,027,011,698,128.47
  5. Step 5: Solve for x
    x = 3,027,011,698,128.47/1,943,776
  6. Step 6: Final answer
    x = 1,557,284.22

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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.