Home / 1,965,244.38-2,943,142.56-1,121,237.34

Finding the Fourth Proportional to 1,965,244.38, 2,943,142.56 and 1,121,237.34

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Solution

The fourth proportional to 1,965,244.38, 2,943,142.56 and 1,121,237.34 is: 1,679,160.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,244.38 : 2,943,142.56 = 1,121,237.34 : x
  2. Step 2: Convert to fraction form
    1,965,244.38/2,943,142.56 = 1,121,237.34/x
  3. Step 3: Cross multiply
    1,965,244.38x = 2,943,142.56 × 1,121,237.34
  4. Step 4: Simplify right side
    1,965,244.38x = 3,299,961,335,215.19
  5. Step 5: Solve for x
    x = 3,299,961,335,215.19/1,965,244.38
  6. Step 6: Final answer
    x = 1,679,160.81

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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.