Home / 2,174,012.66-3,000,079.82-1,207,118.09

Finding the Fourth Proportional to 2,174,012.66, 3,000,079.82 and 1,207,118.09

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Solution

The fourth proportional to 2,174,012.66, 3,000,079.82 and 1,207,118.09 is: 1,665,790.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174,012.66 : 3,000,079.82 = 1,207,118.09 : x
  2. Step 2: Convert to fraction form
    2,174,012.66/3,000,079.82 = 1,207,118.09/x
  3. Step 3: Cross multiply
    2,174,012.66x = 3,000,079.82 × 1,207,118.09
  4. Step 4: Simplify right side
    2,174,012.66x = 3,621,450,632,683.94
  5. Step 5: Solve for x
    x = 3,621,450,632,683.94/2,174,012.66
  6. Step 6: Final answer
    x = 1,665,790.96

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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.