Home / 1,691,453.72-2,331,947.96-1,343,747.82

Finding the Fourth Proportional to 1,691,453.72, 2,331,947.96 and 1,343,747.82

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Solution

The fourth proportional to 1,691,453.72, 2,331,947.96 and 1,343,747.82 is: 1,852,578.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,453.72 : 2,331,947.96 = 1,343,747.82 : x
  2. Step 2: Convert to fraction form
    1,691,453.72/2,331,947.96 = 1,343,747.82/x
  3. Step 3: Cross multiply
    1,691,453.72x = 2,331,947.96 × 1,343,747.82
  4. Step 4: Simplify right side
    1,691,453.72x = 3,133,549,994,668.57
  5. Step 5: Solve for x
    x = 3,133,549,994,668.57/1,691,453.72
  6. Step 6: Final answer
    x = 1,852,578.02

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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.