Home / 3,612,896.73-4,985,804.43-1,981,315.62

Finding the Fourth Proportional to 3,612,896.73, 4,985,804.43 and 1,981,315.62

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Solution

The fourth proportional to 3,612,896.73, 4,985,804.43 and 1,981,315.62 is: 2,734,219.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612,896.73 : 4,985,804.43 = 1,981,315.62 : x
  2. Step 2: Convert to fraction form
    3,612,896.73/4,985,804.43 = 1,981,315.62/x
  3. Step 3: Cross multiply
    3,612,896.73x = 4,985,804.43 × 1,981,315.62
  4. Step 4: Simplify right side
    3,612,896.73x = 9,878,452,195,424.20
  5. Step 5: Solve for x
    x = 9,878,452,195,424.20/3,612,896.73
  6. Step 6: Final answer
    x = 2,734,219.36

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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.