Home / 5,112,931.29-7,055,992.89-2,821,239.60

Finding the Fourth Proportional to 5,112,931.29, 7,055,992.89 and 2,821,239.60

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Solution

The fourth proportional to 5,112,931.29, 7,055,992.89 and 2,821,239.60 is: 3,893,392.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112,931.29 : 7,055,992.89 = 2,821,239.60 : x
  2. Step 2: Convert to fraction form
    5,112,931.29/7,055,992.89 = 2,821,239.60/x
  3. Step 3: Cross multiply
    5,112,931.29x = 7,055,992.89 × 2,821,239.60
  4. Step 4: Simplify right side
    5,112,931.29x = 19,906,646,523,306.48
  5. Step 5: Solve for x
    x = 19,906,646,523,306.48/5,112,931.29
  6. Step 6: Final answer
    x = 3,893,392.15

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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.