Home / 1,959,172.50-2,939,892.54-821,832.84

Finding the Fourth Proportional to 1,959,172.50, 2,939,892.54 and 821,832.84

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Solution

The fourth proportional to 1,959,172.50, 2,939,892.54 and 821,832.84 is: 1,233,224.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,959,172.50 : 2,939,892.54 = 821,832.84 : x
  2. Step 2: Convert to fraction form
    1,959,172.50/2,939,892.54 = 821,832.84/x
  3. Step 3: Cross multiply
    1,959,172.50x = 2,939,892.54 × 821,832.84
  4. Step 4: Simplify right side
    1,959,172.50x = 2,416,100,235,443.01
  5. Step 5: Solve for x
    x = 2,416,100,235,443.01/1,959,172.50
  6. Step 6: Final answer
    x = 1,233,224.86

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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.