Home / 2,215,090.80-3,322,636.20-719,182.80

Finding the Fourth Proportional to 2,215,090.80, 3,322,636.20 and 719,182.80

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Solution

The fourth proportional to 2,215,090.80, 3,322,636.20 and 719,182.80 is: 1,078,774.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215,090.80 : 3,322,636.20 = 719,182.80 : x
  2. Step 2: Convert to fraction form
    2,215,090.80/3,322,636.20 = 719,182.80/x
  3. Step 3: Cross multiply
    2,215,090.80x = 3,322,636.20 × 719,182.80
  4. Step 4: Simplify right side
    2,215,090.80x = 2,389,582,805,697.36
  5. Step 5: Solve for x
    x = 2,389,582,805,697.36/2,215,090.80
  6. Step 6: Final answer
    x = 1,078,774.20

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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.