Home / 3,519,110-4,856,371.80-1,909,478

Finding the Fourth Proportional to 3,519,110, 4,856,371.80 and 1,909,478

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Solution

The fourth proportional to 3,519,110, 4,856,371.80 and 1,909,478 is: 2,635,079.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519,110 : 4,856,371.80 = 1,909,478 : x
  2. Step 2: Convert to fraction form
    3,519,110/4,856,371.80 = 1,909,478/x
  3. Step 3: Cross multiply
    3,519,110x = 4,856,371.80 × 1,909,478
  4. Step 4: Simplify right side
    3,519,110x = 9,273,135,111,920.40
  5. Step 5: Solve for x
    x = 9,273,135,111,920.40/3,519,110
  6. Step 6: Final answer
    x = 2,635,079.64

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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.