Home / 3,834,673.25-5,291,959.79-2,115,904.48

Finding the Fourth Proportional to 3,834,673.25, 5,291,959.79 and 2,115,904.48

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Solution

The fourth proportional to 3,834,673.25, 5,291,959.79 and 2,115,904.48 is: 2,920,009.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,834,673.25 : 5,291,959.79 = 2,115,904.48 : x
  2. Step 2: Convert to fraction form
    3,834,673.25/5,291,959.79 = 2,115,904.48/x
  3. Step 3: Cross multiply
    3,834,673.25x = 5,291,959.79 × 2,115,904.48
  4. Step 4: Simplify right side
    3,834,673.25x = 11,197,281,419,700.72
  5. Step 5: Solve for x
    x = 11,197,281,419,700.72/3,834,673.25
  6. Step 6: Final answer
    x = 2,920,009.27

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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.