Home / 2,786,108.98-4,179,578.71-988,841.95

Finding the Fourth Proportional to 2,786,108.98, 4,179,578.71 and 988,841.95

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Solution

The fourth proportional to 2,786,108.98, 4,179,578.71 and 988,841.95 is: 1,483,410.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786,108.98 : 4,179,578.71 = 988,841.95 : x
  2. Step 2: Convert to fraction form
    2,786,108.98/4,179,578.71 = 988,841.95/x
  3. Step 3: Cross multiply
    2,786,108.98x = 4,179,578.71 × 988,841.95
  4. Step 4: Simplify right side
    2,786,108.98x = 4,132,942,765,244.10
  5. Step 5: Solve for x
    x = 4,132,942,765,244.10/2,786,108.98
  6. Step 6: Final answer
    x = 1,483,410.30

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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.