Home / 1,512,155.58-2,085,372.96-1,103,610.30

Finding the Fourth Proportional to 1,512,155.58, 2,085,372.96 and 1,103,610.30

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Solution

The fourth proportional to 1,512,155.58, 2,085,372.96 and 1,103,610.30 is: 1,521,959.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,155.58 : 2,085,372.96 = 1,103,610.30 : x
  2. Step 2: Convert to fraction form
    1,512,155.58/2,085,372.96 = 1,103,610.30/x
  3. Step 3: Cross multiply
    1,512,155.58x = 2,085,372.96 × 1,103,610.30
  4. Step 4: Simplify right side
    1,512,155.58x = 2,301,439,077,997.49
  5. Step 5: Solve for x
    x = 2,301,439,077,997.49/1,512,155.58
  6. Step 6: Final answer
    x = 1,521,959.19

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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.