Home / 2,194,420.80-3,291,631.20-1,821,172.80

Finding the Fourth Proportional to 2,194,420.80, 3,291,631.20 and 1,821,172.80

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Solution

The fourth proportional to 2,194,420.80, 3,291,631.20 and 1,821,172.80 is: 2,731,759.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,194,420.80 : 3,291,631.20 = 1,821,172.80 : x
  2. Step 2: Convert to fraction form
    2,194,420.80/3,291,631.20 = 1,821,172.80/x
  3. Step 3: Cross multiply
    2,194,420.80x = 3,291,631.20 × 1,821,172.80
  4. Step 4: Simplify right side
    2,194,420.80x = 5,994,629,209,071.36
  5. Step 5: Solve for x
    x = 5,994,629,209,071.36/2,194,420.80
  6. Step 6: Final answer
    x = 2,731,759.20

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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.