Home / 1,981,535.73-2,734,519.70-1,207,166.54

Finding the Fourth Proportional to 1,981,535.73, 2,734,519.70 and 1,207,166.54

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Solution

The fourth proportional to 1,981,535.73, 2,734,519.70 and 1,207,166.54 is: 1,665,890.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,535.73 : 2,734,519.70 = 1,207,166.54 : x
  2. Step 2: Convert to fraction form
    1,981,535.73/2,734,519.70 = 1,207,166.54/x
  3. Step 3: Cross multiply
    1,981,535.73x = 2,734,519.70 × 1,207,166.54
  4. Step 4: Simplify right side
    1,981,535.73x = 3,301,020,689,537.83
  5. Step 5: Solve for x
    x = 3,301,020,689,537.83/1,981,535.73
  6. Step 6: Final answer
    x = 1,665,890.07

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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.