Home / 6,821,505.27-10,233,440.00-2,780,191.71

Finding the Fourth Proportional to 6,821,505.27, 10,233,440.00 and 2,780,191.71

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Solution

The fourth proportional to 6,821,505.27, 10,233,440.00 and 2,780,191.71 is: 4,170,769.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,821,505.27 : 10,233,440.00 = 2,780,191.71 : x
  2. Step 2: Convert to fraction form
    6,821,505.27/10,233,440.00 = 2,780,191.71/x
  3. Step 3: Cross multiply
    6,821,505.27x = 10,233,440.00 × 2,780,191.71
  4. Step 4: Simplify right side
    6,821,505.27x = 28,450,925,038,881.44
  5. Step 5: Solve for x
    x = 28,450,925,038,881.44/6,821,505.27
  6. Step 6: Final answer
    x = 4,170,769.34

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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.