Home / 3,879,216.32-5,352,935.04-2,160,496.64

Finding the Fourth Proportional to 3,879,216.32, 5,352,935.04 and 2,160,496.64

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Solution

The fourth proportional to 3,879,216.32, 5,352,935.04 and 2,160,496.64 is: 2,981,271.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879,216.32 : 5,352,935.04 = 2,160,496.64 : x
  2. Step 2: Convert to fraction form
    3,879,216.32/5,352,935.04 = 2,160,496.64/x
  3. Step 3: Cross multiply
    3,879,216.32x = 5,352,935.04 × 2,160,496.64
  4. Step 4: Simplify right side
    3,879,216.32x = 11,564,998,168,058.27
  5. Step 5: Solve for x
    x = 11,564,998,168,058.27/3,879,216.32
  6. Step 6: Final answer
    x = 2,981,271.79

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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.