Home / 3,851,678.72-5,315,251.46-2,132,762.33

Finding the Fourth Proportional to 3,851,678.72, 5,315,251.46 and 2,132,762.33

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Solution

The fourth proportional to 3,851,678.72, 5,315,251.46 and 2,132,762.33 is: 2,943,175.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851,678.72 : 5,315,251.46 = 2,132,762.33 : x
  2. Step 2: Convert to fraction form
    3,851,678.72/5,315,251.46 = 2,132,762.33/x
  3. Step 3: Cross multiply
    3,851,678.72x = 5,315,251.46 × 2,132,762.33
  4. Step 4: Simplify right side
    3,851,678.72x = 11,336,168,090,989.82
  5. Step 5: Solve for x
    x = 11,336,168,090,989.82/3,851,678.72
  6. Step 6: Final answer
    x = 2,943,175.93

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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.