Home / 1,327,199.93-1,981,110.83-1,138,870.53

Finding the Fourth Proportional to 1,327,199.93, 1,981,110.83 and 1,138,870.53

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Solution

The fourth proportional to 1,327,199.93, 1,981,110.83 and 1,138,870.53 is: 1,699,991.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,199.93 : 1,981,110.83 = 1,138,870.53 : x
  2. Step 2: Convert to fraction form
    1,327,199.93/1,981,110.83 = 1,138,870.53/x
  3. Step 3: Cross multiply
    1,327,199.93x = 1,981,110.83 × 1,138,870.53
  4. Step 4: Simplify right side
    1,327,199.93x = 2,256,228,735,256.49
  5. Step 5: Solve for x
    x = 2,256,228,735,256.49/1,327,199.93
  6. Step 6: Final answer
    x = 1,699,991.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.