Home / 1,991,504.26-2,747,863.65-1,164,418.66

Finding the Fourth Proportional to 1,991,504.26, 2,747,863.65 and 1,164,418.66

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Solution

The fourth proportional to 1,991,504.26, 2,747,863.65 and 1,164,418.66 is: 1,606,656.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,504.26 : 2,747,863.65 = 1,164,418.66 : x
  2. Step 2: Convert to fraction form
    1,991,504.26/2,747,863.65 = 1,164,418.66/x
  3. Step 3: Cross multiply
    1,991,504.26x = 2,747,863.65 × 1,164,418.66
  4. Step 4: Simplify right side
    1,991,504.26x = 3,199,663,709,195.71
  5. Step 5: Solve for x
    x = 3,199,663,709,195.71/1,991,504.26
  6. Step 6: Final answer
    x = 1,606,656.72

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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.