Home / 3,426,351.30-4,728,364.80-1,898,458.41

Finding the Fourth Proportional to 3,426,351.30, 4,728,364.80 and 1,898,458.41

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Solution

The fourth proportional to 3,426,351.30, 4,728,364.80 and 1,898,458.41 is: 2,619,872.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426,351.30 : 4,728,364.80 = 1,898,458.41 : x
  2. Step 2: Convert to fraction form
    3,426,351.30/4,728,364.80 = 1,898,458.41/x
  3. Step 3: Cross multiply
    3,426,351.30x = 4,728,364.80 × 1,898,458.41
  4. Step 4: Simplify right side
    3,426,351.30x = 8,976,603,920,107.97
  5. Step 5: Solve for x
    x = 8,976,603,920,107.97/3,426,351.30
  6. Step 6: Final answer
    x = 2,619,872.61

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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.