Home / 5,122,524.78-7,069,086.68-2,830,685.47

Finding the Fourth Proportional to 5,122,524.78, 7,069,086.68 and 2,830,685.47

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Solution

The fourth proportional to 5,122,524.78, 7,069,086.68 and 2,830,685.47 is: 3,906,347.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122,524.78 : 7,069,086.68 = 2,830,685.47 : x
  2. Step 2: Convert to fraction form
    5,122,524.78/7,069,086.68 = 2,830,685.47/x
  3. Step 3: Cross multiply
    5,122,524.78x = 7,069,086.68 × 2,830,685.47
  4. Step 4: Simplify right side
    5,122,524.78x = 20,010,360,919,420.39
  5. Step 5: Solve for x
    x = 20,010,360,919,420.39/5,122,524.78
  6. Step 6: Final answer
    x = 3,906,347.31

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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.