Home / 3,879,353.30-5,353,673.62-2,160,473.81

Finding the Fourth Proportional to 3,879,353.30, 5,353,673.62 and 2,160,473.81

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Solution

The fourth proportional to 3,879,353.30, 5,353,673.62 and 2,160,473.81 is: 2,981,546.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879,353.30 : 5,353,673.62 = 2,160,473.81 : x
  2. Step 2: Convert to fraction form
    3,879,353.30/5,353,673.62 = 2,160,473.81/x
  3. Step 3: Cross multiply
    3,879,353.30x = 5,353,673.62 × 2,160,473.81
  4. Step 4: Simplify right side
    3,879,353.30x = 11,566,471,643,297.89
  5. Step 5: Solve for x
    x = 11,566,471,643,297.89/3,879,353.30
  6. Step 6: Final answer
    x = 2,981,546.35

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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.