Home / 2,109,219.37-3,163,824.03-511,781.11

Finding the Fourth Proportional to 2,109,219.37, 3,163,824.03 and 511,781.11

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Solution

The fourth proportional to 2,109,219.37, 3,163,824.03 and 511,781.11 is: 767,670.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,219.37 : 3,163,824.03 = 511,781.11 : x
  2. Step 2: Convert to fraction form
    2,109,219.37/3,163,824.03 = 511,781.11/x
  3. Step 3: Cross multiply
    2,109,219.37x = 3,163,824.03 × 511,781.11
  4. Step 4: Simplify right side
    2,109,219.37x = 1,619,185,367,927.69
  5. Step 5: Solve for x
    x = 1,619,185,367,927.69/2,109,219.37
  6. Step 6: Final answer
    x = 767,670.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.