Home / 3,150,046.80-4,725,761.40-1,019,768.40

Finding the Fourth Proportional to 3,150,046.80, 4,725,761.40 and 1,019,768.40

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Solution

The fourth proportional to 3,150,046.80, 4,725,761.40 and 1,019,768.40 is: 1,529,876.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150,046.80 : 4,725,761.40 = 1,019,768.40 : x
  2. Step 2: Convert to fraction form
    3,150,046.80/4,725,761.40 = 1,019,768.40/x
  3. Step 3: Cross multiply
    3,150,046.80x = 4,725,761.40 × 1,019,768.40
  4. Step 4: Simplify right side
    3,150,046.80x = 4,819,182,141,659.76
  5. Step 5: Solve for x
    x = 4,819,182,141,659.76/3,150,046.80
  6. Step 6: Final answer
    x = 1,529,876.36

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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.