Home / 5,395,145.95-7,445,213.31-2,947,704.22

Finding the Fourth Proportional to 5,395,145.95, 7,445,213.31 and 2,947,704.22

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Solution

The fourth proportional to 5,395,145.95, 7,445,213.31 and 2,947,704.22 is: 4,067,783.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,395,145.95 : 7,445,213.31 = 2,947,704.22 : x
  2. Step 2: Convert to fraction form
    5,395,145.95/7,445,213.31 = 2,947,704.22/x
  3. Step 3: Cross multiply
    5,395,145.95x = 7,445,213.31 × 2,947,704.22
  4. Step 4: Simplify right side
    5,395,145.95x = 21,946,286,692,687.17
  5. Step 5: Solve for x
    x = 21,946,286,692,687.17/5,395,145.95
  6. Step 6: Final answer
    x = 4,067,783.69

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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.