Home / 3,879,352.49-5,353,672.52-2,160,473.01

Finding the Fourth Proportional to 3,879,352.49, 5,353,672.52 and 2,160,473.01

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Solution

The fourth proportional to 3,879,352.49, 5,353,672.52 and 2,160,473.01 is: 2,981,545.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879,352.49 : 5,353,672.52 = 2,160,473.01 : x
  2. Step 2: Convert to fraction form
    3,879,352.49/5,353,672.52 = 2,160,473.01/x
  3. Step 3: Cross multiply
    3,879,352.49x = 5,353,672.52 × 2,160,473.01
  4. Step 4: Simplify right side
    3,879,352.49x = 11,566,464,969,163.60
  5. Step 5: Solve for x
    x = 11,566,464,969,163.60/3,879,352.49
  6. Step 6: Final answer
    x = 2,981,545.24

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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.