Home / 1,691,478.82-2,539,383.41-1,453,117.69

Finding the Fourth Proportional to 1,691,478.82, 2,539,383.41 and 1,453,117.69

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Solution

The fourth proportional to 1,691,478.82, 2,539,383.41 and 1,453,117.69 is: 2,181,536.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,478.82 : 2,539,383.41 = 1,453,117.69 : x
  2. Step 2: Convert to fraction form
    1,691,478.82/2,539,383.41 = 1,453,117.69/x
  3. Step 3: Cross multiply
    1,691,478.82x = 2,539,383.41 × 1,453,117.69
  4. Step 4: Simplify right side
    1,691,478.82x = 3,690,022,954,763.52
  5. Step 5: Solve for x
    x = 3,690,022,954,763.52/1,691,478.82
  6. Step 6: Final answer
    x = 2,181,536.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.