Home / 5,678,697.90-7,836,562.14-3,100,378.65

Finding the Fourth Proportional to 5,678,697.90, 7,836,562.14 and 3,100,378.65

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Solution

The fourth proportional to 5,678,697.90, 7,836,562.14 and 3,100,378.65 is: 4,278,500.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678,697.90 : 7,836,562.14 = 3,100,378.65 : x
  2. Step 2: Convert to fraction form
    5,678,697.90/7,836,562.14 = 3,100,378.65/x
  3. Step 3: Cross multiply
    5,678,697.90x = 7,836,562.14 × 3,100,378.65
  4. Step 4: Simplify right side
    5,678,697.90x = 24,296,309,948,254.31
  5. Step 5: Solve for x
    x = 24,296,309,948,254.31/5,678,697.90
  6. Step 6: Final answer
    x = 4,278,500.17

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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.