Home / 3,090,606.80-4,635,910.20-816,126.80

Finding the Fourth Proportional to 3,090,606.80, 4,635,910.20 and 816,126.80

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Solution

The fourth proportional to 3,090,606.80, 4,635,910.20 and 816,126.80 is: 1,224,190.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090,606.80 : 4,635,910.20 = 816,126.80 : x
  2. Step 2: Convert to fraction form
    3,090,606.80/4,635,910.20 = 816,126.80/x
  3. Step 3: Cross multiply
    3,090,606.80x = 4,635,910.20 × 816,126.80
  4. Step 4: Simplify right side
    3,090,606.80x = 3,783,490,556,613.36
  5. Step 5: Solve for x
    x = 3,783,490,556,613.36/3,090,606.80
  6. Step 6: Final answer
    x = 1,224,190.20

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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.