Home / 2,177,786.77-3,266,467.30-661,482.87

Finding the Fourth Proportional to 2,177,786.77, 3,266,467.30 and 661,482.87

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Solution

The fourth proportional to 2,177,786.77, 3,266,467.30 and 661,482.87 is: 992,159.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,786.77 : 3,266,467.30 = 661,482.87 : x
  2. Step 2: Convert to fraction form
    2,177,786.77/3,266,467.30 = 661,482.87/x
  3. Step 3: Cross multiply
    2,177,786.77x = 3,266,467.30 × 661,482.87
  4. Step 4: Simplify right side
    2,177,786.77x = 2,160,712,162,711.44
  5. Step 5: Solve for x
    x = 2,160,712,162,711.44/2,177,786.77
  6. Step 6: Final answer
    x = 992,159.65

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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.