Home / 2,150,269.66-2,967,312.45-1,220,146.80

Finding the Fourth Proportional to 2,150,269.66, 2,967,312.45 and 1,220,146.80

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Solution

The fourth proportional to 2,150,269.66, 2,967,312.45 and 1,220,146.80 is: 1,683,768.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,150,269.66 : 2,967,312.45 = 1,220,146.80 : x
  2. Step 2: Convert to fraction form
    2,150,269.66/2,967,312.45 = 1,220,146.80/x
  3. Step 3: Cross multiply
    2,150,269.66x = 2,967,312.45 × 1,220,146.80
  4. Step 4: Simplify right side
    2,150,269.66x = 3,620,556,790,467.66
  5. Step 5: Solve for x
    x = 3,620,556,790,467.66/2,150,269.66
  6. Step 6: Final answer
    x = 1,683,768.72

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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.