Home / 5,215,760.43-7,196,797.68-3,009,818.49

Finding the Fourth Proportional to 5,215,760.43, 7,196,797.68 and 3,009,818.49

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Solution

The fourth proportional to 5,215,760.43, 7,196,797.68 and 3,009,818.49 is: 4,153,000.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215,760.43 : 7,196,797.68 = 3,009,818.49 : x
  2. Step 2: Convert to fraction form
    5,215,760.43/7,196,797.68 = 3,009,818.49/x
  3. Step 3: Cross multiply
    5,215,760.43x = 7,196,797.68 × 3,009,818.49
  4. Step 4: Simplify right side
    5,215,760.43x = 21,661,054,728,721.76
  5. Step 5: Solve for x
    x = 21,661,054,728,721.76/5,215,760.43
  6. Step 6: Final answer
    x = 4,153,000.32

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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.