Home / 1,881,089.82-2,820,912.68-800,917.55

Finding the Fourth Proportional to 1,881,089.82, 2,820,912.68 and 800,917.55

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Solution

The fourth proportional to 1,881,089.82, 2,820,912.68 and 800,917.55 is: 1,201,068.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881,089.82 : 2,820,912.68 = 800,917.55 : x
  2. Step 2: Convert to fraction form
    1,881,089.82/2,820,912.68 = 800,917.55/x
  3. Step 3: Cross multiply
    1,881,089.82x = 2,820,912.68 × 800,917.55
  4. Step 4: Simplify right side
    1,881,089.82x = 2,259,318,454,320.38
  5. Step 5: Solve for x
    x = 2,259,318,454,320.38/1,881,089.82
  6. Step 6: Final answer
    x = 1,201,068.89

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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.