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Finding the Fourth Proportional to 2,179,392, 3,269,088 and 603,456

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Solution

The fourth proportional to 2,179,392, 3,269,088 and 603,456 is: 905,184

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179,392 : 3,269,088 = 603,456 : x
  2. Step 2: Convert to fraction form
    2,179,392/3,269,088 = 603,456/x
  3. Step 3: Cross multiply
    2,179,392x = 3,269,088 × 603,456
  4. Step 4: Simplify right side
    2,179,392x = 1,972,750,768,128
  5. Step 5: Solve for x
    x = 1,972,750,768,128/2,179,392
  6. Step 6: Final answer
    x = 905,184

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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.