Home / 3,115,606.20-4,673,409.30-2,687,983.80

Finding the Fourth Proportional to 3,115,606.20, 4,673,409.30 and 2,687,983.80

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Solution

The fourth proportional to 3,115,606.20, 4,673,409.30 and 2,687,983.80 is: 4,031,975.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,606.20 : 4,673,409.30 = 2,687,983.80 : x
  2. Step 2: Convert to fraction form
    3,115,606.20/4,673,409.30 = 2,687,983.80/x
  3. Step 3: Cross multiply
    3,115,606.20x = 4,673,409.30 × 2,687,983.80
  4. Step 4: Simplify right side
    3,115,606.20x = 12,562,048,489,169.34
  5. Step 5: Solve for x
    x = 12,562,048,489,169.34/3,115,606.20
  6. Step 6: Final answer
    x = 4,031,975.70

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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.