Home / 3,422,816.16-5,134,155.12-1,178,904.48

Finding the Fourth Proportional to 3,422,816.16, 5,134,155.12 and 1,178,904.48

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Solution

The fourth proportional to 3,422,816.16, 5,134,155.12 and 1,178,904.48 is: 1,768,332.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422,816.16 : 5,134,155.12 = 1,178,904.48 : x
  2. Step 2: Convert to fraction form
    3,422,816.16/5,134,155.12 = 1,178,904.48/x
  3. Step 3: Cross multiply
    3,422,816.16x = 5,134,155.12 × 1,178,904.48
  4. Step 4: Simplify right side
    3,422,816.16x = 6,052,678,471,982.94
  5. Step 5: Solve for x
    x = 6,052,678,471,982.94/3,422,816.16
  6. Step 6: Final answer
    x = 1,768,332.91

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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.