Home / 3,461,074.68-5,189,865.15-1,638,896.36

Finding the Fourth Proportional to 3,461,074.68, 5,189,865.15 and 1,638,896.36

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Solution

The fourth proportional to 3,461,074.68, 5,189,865.15 and 1,638,896.36 is: 2,457,517.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461,074.68 : 5,189,865.15 = 1,638,896.36 : x
  2. Step 2: Convert to fraction form
    3,461,074.68/5,189,865.15 = 1,638,896.36/x
  3. Step 3: Cross multiply
    3,461,074.68x = 5,189,865.15 × 1,638,896.36
  4. Step 4: Simplify right side
    3,461,074.68x = 8,505,651,083,422.39
  5. Step 5: Solve for x
    x = 8,505,651,083,422.39/3,461,074.68
  6. Step 6: Final answer
    x = 2,457,517.35

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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.