Home / 2,786,816.38-4,179,221.58-964,686.23

Finding the Fourth Proportional to 2,786,816.38, 4,179,221.58 and 964,686.23

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Solution

The fourth proportional to 2,786,816.38, 4,179,221.58 and 964,686.23 is: 1,446,682.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786,816.38 : 4,179,221.58 = 964,686.23 : x
  2. Step 2: Convert to fraction form
    2,786,816.38/4,179,221.58 = 964,686.23/x
  3. Step 3: Cross multiply
    2,786,816.38x = 4,179,221.58 × 964,686.23
  4. Step 4: Simplify right side
    2,786,816.38x = 4,031,637,515,066.09
  5. Step 5: Solve for x
    x = 4,031,637,515,066.09/2,786,816.38
  6. Step 6: Final answer
    x = 1,446,682.15

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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.