Home / 2,819,986.64-4,230,144.04-798,061.40

Finding the Fourth Proportional to 2,819,986.64, 4,230,144.04 and 798,061.40

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Solution

The fourth proportional to 2,819,986.64, 4,230,144.04 and 798,061.40 is: 1,197,138.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,986.64 : 4,230,144.04 = 798,061.40 : x
  2. Step 2: Convert to fraction form
    2,819,986.64/4,230,144.04 = 798,061.40/x
  3. Step 3: Cross multiply
    2,819,986.64x = 4,230,144.04 × 798,061.40
  4. Step 4: Simplify right side
    2,819,986.64x = 3,375,914,674,764.06
  5. Step 5: Solve for x
    x = 3,375,914,674,764.06/2,819,986.64
  6. Step 6: Final answer
    x = 1,197,138.53

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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.