Home / 5,678,697.39-7,836,561.46-3,100,378.16

Finding the Fourth Proportional to 5,678,697.39, 7,836,561.46 and 3,100,378.16

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Solution

The fourth proportional to 5,678,697.39, 7,836,561.46 and 3,100,378.16 is: 4,278,499.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678,697.39 : 7,836,561.46 = 3,100,378.16 : x
  2. Step 2: Convert to fraction form
    5,678,697.39/7,836,561.46 = 3,100,378.16/x
  3. Step 3: Cross multiply
    5,678,697.39x = 7,836,561.46 × 3,100,378.16
  4. Step 4: Simplify right side
    5,678,697.39x = 24,296,304,000,081.71
  5. Step 5: Solve for x
    x = 24,296,304,000,081.71/5,678,697.39
  6. Step 6: Final answer
    x = 4,278,499.51

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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.