Home / 3,851,996.79-5,315,750.78-2,133,115.23

Finding the Fourth Proportional to 3,851,996.79, 5,315,750.78 and 2,133,115.23

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Solution

The fourth proportional to 3,851,996.79, 5,315,750.78 and 2,133,115.23 is: 2,943,696.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851,996.79 : 5,315,750.78 = 2,133,115.23 : x
  2. Step 2: Convert to fraction form
    3,851,996.79/5,315,750.78 = 2,133,115.23/x
  3. Step 3: Cross multiply
    3,851,996.79x = 5,315,750.78 × 2,133,115.23
  4. Step 4: Simplify right side
    3,851,996.79x = 11,339,108,937,036.80
  5. Step 5: Solve for x
    x = 11,339,108,937,036.80/3,851,996.79
  6. Step 6: Final answer
    x = 2,943,696.36

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Double scale
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1.5x scale

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.