Home / 1,945,447.45-2,684,762.75-1,220,325.73

Finding the Fourth Proportional to 1,945,447.45, 2,684,762.75 and 1,220,325.73

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Solution

The fourth proportional to 1,945,447.45, 2,684,762.75 and 1,220,325.73 is: 1,684,077.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,447.45 : 2,684,762.75 = 1,220,325.73 : x
  2. Step 2: Convert to fraction form
    1,945,447.45/2,684,762.75 = 1,220,325.73/x
  3. Step 3: Cross multiply
    1,945,447.45x = 2,684,762.75 × 1,220,325.73
  4. Step 4: Simplify right side
    1,945,447.45x = 3,276,285,062,770.56
  5. Step 5: Solve for x
    x = 3,276,285,062,770.56/1,945,447.45
  6. Step 6: Final answer
    x = 1,684,077.90

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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.