Home / 3,678,739.49-5,518,939.64-1,120,183.25

Finding the Fourth Proportional to 3,678,739.49, 5,518,939.64 and 1,120,183.25

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Solution

The fourth proportional to 3,678,739.49, 5,518,939.64 and 1,120,183.25 is: 1,680,527.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678,739.49 : 5,518,939.64 = 1,120,183.25 : x
  2. Step 2: Convert to fraction form
    3,678,739.49/5,518,939.64 = 1,120,183.25/x
  3. Step 3: Cross multiply
    3,678,739.49x = 5,518,939.64 × 1,120,183.25
  4. Step 4: Simplify right side
    3,678,739.49x = 6,182,223,709,293.42
  5. Step 5: Solve for x
    x = 6,182,223,709,293.42/3,678,739.49
  6. Step 6: Final answer
    x = 1,680,527.72

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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.