Home / 6,219,190.84-8,582,105.81-3,428,191.78

Finding the Fourth Proportional to 6,219,190.84, 8,582,105.81 and 3,428,191.78

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Solution

The fourth proportional to 6,219,190.84, 8,582,105.81 and 3,428,191.78 is: 4,730,696.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,219,190.84 : 8,582,105.81 = 3,428,191.78 : x
  2. Step 2: Convert to fraction form
    6,219,190.84/8,582,105.81 = 3,428,191.78/x
  3. Step 3: Cross multiply
    6,219,190.84x = 8,582,105.81 × 3,428,191.78
  4. Step 4: Simplify right side
    6,219,190.84x = 29,421,104,592,932.24
  5. Step 5: Solve for x
    x = 29,421,104,592,932.24/6,219,190.84
  6. Step 6: Final answer
    x = 4,730,696.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.