Home / 2,755,906.40-4,133,989.20-862,709.60

Finding the Fourth Proportional to 2,755,906.40, 4,133,989.20 and 862,709.60

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Solution

The fourth proportional to 2,755,906.40, 4,133,989.20 and 862,709.60 is: 1,294,104.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,755,906.40 : 4,133,989.20 = 862,709.60 : x
  2. Step 2: Convert to fraction form
    2,755,906.40/4,133,989.20 = 862,709.60/x
  3. Step 3: Cross multiply
    2,755,906.40x = 4,133,989.20 × 862,709.60
  4. Step 4: Simplify right side
    2,755,906.40x = 3,566,432,169,136.32
  5. Step 5: Solve for x
    x = 3,566,432,169,136.32/2,755,906.40
  6. Step 6: Final answer
    x = 1,294,104.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.