Home / 3,940,973.52-5,913,674.28-2,143,982.64

Finding the Fourth Proportional to 3,940,973.52, 5,913,674.28 and 2,143,982.64

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Solution

The fourth proportional to 3,940,973.52, 5,913,674.28 and 2,143,982.64 is: 3,217,178.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940,973.52 : 5,913,674.28 = 2,143,982.64 : x
  2. Step 2: Convert to fraction form
    3,940,973.52/5,913,674.28 = 2,143,982.64/x
  3. Step 3: Cross multiply
    3,940,973.52x = 5,913,674.28 × 2,143,982.64
  4. Step 4: Simplify right side
    3,940,973.52x = 12,678,814,994,934.50
  5. Step 5: Solve for x
    x = 12,678,814,994,934.50/3,940,973.52
  6. Step 6: Final answer
    x = 3,217,178.43

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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.