Home / 3,622,500.52-4,999,163.16-1,990,878.28

Finding the Fourth Proportional to 3,622,500.52, 4,999,163.16 and 1,990,878.28

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Solution

The fourth proportional to 3,622,500.52, 4,999,163.16 and 1,990,878.28 is: 2,747,473.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622,500.52 : 4,999,163.16 = 1,990,878.28 : x
  2. Step 2: Convert to fraction form
    3,622,500.52/4,999,163.16 = 1,990,878.28/x
  3. Step 3: Cross multiply
    3,622,500.52x = 4,999,163.16 × 1,990,878.28
  4. Step 4: Simplify right side
    3,622,500.52x = 9,952,725,353,420.17
  5. Step 5: Solve for x
    x = 9,952,725,353,420.17/3,622,500.52
  6. Step 6: Final answer
    x = 2,747,473.82

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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.