Home / 2,117,602.62-3,176,996.85-856,315.98

Finding the Fourth Proportional to 2,117,602.62, 3,176,996.85 and 856,315.98

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Solution

The fourth proportional to 2,117,602.62, 3,176,996.85 and 856,315.98 is: 1,284,713.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117,602.62 : 3,176,996.85 = 856,315.98 : x
  2. Step 2: Convert to fraction form
    2,117,602.62/3,176,996.85 = 856,315.98/x
  3. Step 3: Cross multiply
    2,117,602.62x = 3,176,996.85 × 856,315.98
  4. Step 4: Simplify right side
    2,117,602.62x = 2,720,513,171,064.66
  5. Step 5: Solve for x
    x = 2,720,513,171,064.66/2,117,602.62
  6. Step 6: Final answer
    x = 1,284,713.73

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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.