Home / 3,157,321.80-4,732,872.30-1,560,131.40

Finding the Fourth Proportional to 3,157,321.80, 4,732,872.30 and 1,560,131.40

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Solution

The fourth proportional to 3,157,321.80, 4,732,872.30 and 1,560,131.40 is: 2,338,660.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157,321.80 : 4,732,872.30 = 1,560,131.40 : x
  2. Step 2: Convert to fraction form
    3,157,321.80/4,732,872.30 = 1,560,131.40/x
  3. Step 3: Cross multiply
    3,157,321.80x = 4,732,872.30 × 1,560,131.40
  4. Step 4: Simplify right side
    3,157,321.80x = 7,383,902,687,420.22
  5. Step 5: Solve for x
    x = 7,383,902,687,420.22/3,157,321.80
  6. Step 6: Final answer
    x = 2,338,660.15

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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.