Home / 1,981,639.94-2,734,831.77-1,122,353.06

Finding the Fourth Proportional to 1,981,639.94, 2,734,831.77 and 1,122,353.06

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Solution

The fourth proportional to 1,981,639.94, 2,734,831.77 and 1,122,353.06 is: 1,548,942.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,639.94 : 2,734,831.77 = 1,122,353.06 : x
  2. Step 2: Convert to fraction form
    1,981,639.94/2,734,831.77 = 1,122,353.06/x
  3. Step 3: Cross multiply
    1,981,639.94x = 2,734,831.77 × 1,122,353.06
  4. Step 4: Simplify right side
    1,981,639.94x = 3,069,446,805,644.72
  5. Step 5: Solve for x
    x = 3,069,446,805,644.72/1,981,639.94
  6. Step 6: Final answer
    x = 1,548,942.74

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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.