Home / 1,606,195.17-2,216,618.87-961,490.66

Finding the Fourth Proportional to 1,606,195.17, 2,216,618.87 and 961,490.66

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Solution

The fourth proportional to 1,606,195.17, 2,216,618.87 and 961,490.66 is: 1,326,898.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606,195.17 : 2,216,618.87 = 961,490.66 : x
  2. Step 2: Convert to fraction form
    1,606,195.17/2,216,618.87 = 961,490.66/x
  3. Step 3: Cross multiply
    1,606,195.17x = 2,216,618.87 × 961,490.66
  4. Step 4: Simplify right side
    1,606,195.17x = 2,131,258,324,394.21
  5. Step 5: Solve for x
    x = 2,131,258,324,394.21/1,606,195.17
  6. Step 6: Final answer
    x = 1,326,898.73

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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.