Home / 2,100,851.42-3,151,388.88-661,647.38

Finding the Fourth Proportional to 2,100,851.42, 3,151,388.88 and 661,647.38

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Solution

The fourth proportional to 2,100,851.42, 3,151,388.88 and 661,647.38 is: 992,506.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,851.42 : 3,151,388.88 = 661,647.38 : x
  2. Step 2: Convert to fraction form
    2,100,851.42/3,151,388.88 = 661,647.38/x
  3. Step 3: Cross multiply
    2,100,851.42x = 3,151,388.88 × 661,647.38
  4. Step 4: Simplify right side
    2,100,851.42x = 2,085,108,195,813.13
  5. Step 5: Solve for x
    x = 2,085,108,195,813.13/2,100,851.42
  6. Step 6: Final answer
    x = 992,506.26

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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.