Home / 2,179,888.20-3,268,782.54-759,912.84

Finding the Fourth Proportional to 2,179,888.20, 3,268,782.54 and 759,912.84

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Solution

The fourth proportional to 2,179,888.20, 3,268,782.54 and 759,912.84 is: 1,139,503.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179,888.20 : 3,268,782.54 = 759,912.84 : x
  2. Step 2: Convert to fraction form
    2,179,888.20/3,268,782.54 = 759,912.84/x
  3. Step 3: Cross multiply
    2,179,888.20x = 3,268,782.54 × 759,912.84
  4. Step 4: Simplify right side
    2,179,888.20x = 2,483,989,823,313.81
  5. Step 5: Solve for x
    x = 2,483,989,823,313.81/2,179,888.20
  6. Step 6: Final answer
    x = 1,139,503.31

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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.