Home / 3,426,349.30-4,728,362.05-1,898,456.42

Finding the Fourth Proportional to 3,426,349.30, 4,728,362.05 and 1,898,456.42

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Solution

The fourth proportional to 3,426,349.30, 4,728,362.05 and 1,898,456.42 is: 2,619,869.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426,349.30 : 4,728,362.05 = 1,898,456.42 : x
  2. Step 2: Convert to fraction form
    3,426,349.30/4,728,362.05 = 1,898,456.42/x
  3. Step 3: Cross multiply
    3,426,349.30x = 4,728,362.05 × 1,898,456.42
  4. Step 4: Simplify right side
    3,426,349.30x = 8,976,589,289,906.86
  5. Step 5: Solve for x
    x = 8,976,589,289,906.86/3,426,349.30
  6. Step 6: Final answer
    x = 2,619,869.87

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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.