Home / 1,805,731.82-2,491,894.01-989,920.67

Finding the Fourth Proportional to 1,805,731.82, 2,491,894.01 and 989,920.67

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Solution

The fourth proportional to 1,805,731.82, 2,491,894.01 and 989,920.67 is: 1,366,081.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,731.82 : 2,491,894.01 = 989,920.67 : x
  2. Step 2: Convert to fraction form
    1,805,731.82/2,491,894.01 = 989,920.67/x
  3. Step 3: Cross multiply
    1,805,731.82x = 2,491,894.01 × 989,920.67
  4. Step 4: Simplify right side
    1,805,731.82x = 2,466,777,396,652.72
  5. Step 5: Solve for x
    x = 2,466,777,396,652.72/1,805,731.82
  6. Step 6: Final answer
    x = 1,366,081.82

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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.