Home / 1,805,561.64-2,491,658.82-989,811.72

Finding the Fourth Proportional to 1,805,561.64, 2,491,658.82 and 989,811.72

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Solution

The fourth proportional to 1,805,561.64, 2,491,658.82 and 989,811.72 is: 1,365,931.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,561.64 : 2,491,658.82 = 989,811.72 : x
  2. Step 2: Convert to fraction form
    1,805,561.64/2,491,658.82 = 989,811.72/x
  3. Step 3: Cross multiply
    1,805,561.64x = 2,491,658.82 × 989,811.72
  4. Step 4: Simplify right side
    1,805,561.64x = 2,466,273,102,277.37
  5. Step 5: Solve for x
    x = 2,466,273,102,277.37/1,805,561.64
  6. Step 6: Final answer
    x = 1,365,931.27

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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.