Home / 1,511,230.42-2,081,949.91-1,051,555.56

Finding the Fourth Proportional to 1,511,230.42, 2,081,949.91 and 1,051,555.56

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Solution

The fourth proportional to 1,511,230.42, 2,081,949.91 and 1,051,555.56 is: 1,448,677.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,230.42 : 2,081,949.91 = 1,051,555.56 : x
  2. Step 2: Convert to fraction form
    1,511,230.42/2,081,949.91 = 1,051,555.56/x
  3. Step 3: Cross multiply
    1,511,230.42x = 2,081,949.91 × 1,051,555.56
  4. Step 4: Simplify right side
    1,511,230.42x = 2,189,286,003,502.00
  5. Step 5: Solve for x
    x = 2,189,286,003,502.00/1,511,230.42
  6. Step 6: Final answer
    x = 1,448,677.83

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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.