Home / 5,112,926.38-7,055,985.93-2,821,234.66

Finding the Fourth Proportional to 5,112,926.38, 7,055,985.93 and 2,821,234.66

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Solution

The fourth proportional to 5,112,926.38, 7,055,985.93 and 2,821,234.66 is: 3,893,385.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112,926.38 : 7,055,985.93 = 2,821,234.66 : x
  2. Step 2: Convert to fraction form
    5,112,926.38/7,055,985.93 = 2,821,234.66/x
  3. Step 3: Cross multiply
    5,112,926.38x = 7,055,985.93 × 2,821,234.66
  4. Step 4: Simplify right side
    5,112,926.38x = 19,906,592,066,188.34
  5. Step 5: Solve for x
    x = 19,906,592,066,188.34/5,112,926.38
  6. Step 6: Final answer
    x = 3,893,385.23

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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.