Home / 3,399,912.64-4,692,051.84-1,929,924.64

Finding the Fourth Proportional to 3,399,912.64, 4,692,051.84 and 1,929,924.64

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Solution

The fourth proportional to 3,399,912.64, 4,692,051.84 and 1,929,924.64 is: 2,663,393.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399,912.64 : 4,692,051.84 = 1,929,924.64 : x
  2. Step 2: Convert to fraction form
    3,399,912.64/4,692,051.84 = 1,929,924.64/x
  3. Step 3: Cross multiply
    3,399,912.64x = 4,692,051.84 × 1,929,924.64
  4. Step 4: Simplify right side
    3,399,912.64x = 9,055,306,458,173.34
  5. Step 5: Solve for x
    x = 9,055,306,458,173.34/3,399,912.64
  6. Step 6: Final answer
    x = 2,663,393.86

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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.