Home / 5,389,819.30-7,438,063.20-2,942,533.54

Finding the Fourth Proportional to 5,389,819.30, 7,438,063.20 and 2,942,533.54

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Solution

The fourth proportional to 5,389,819.30, 7,438,063.20 and 2,942,533.54 is: 4,060,757.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389,819.30 : 7,438,063.20 = 2,942,533.54 : x
  2. Step 2: Convert to fraction form
    5,389,819.30/7,438,063.20 = 2,942,533.54/x
  3. Step 3: Cross multiply
    5,389,819.30x = 7,438,063.20 × 2,942,533.54
  4. Step 4: Simplify right side
    5,389,819.30x = 21,886,750,438,639.73
  5. Step 5: Solve for x
    x = 21,886,750,438,639.73/5,389,819.30
  6. Step 6: Final answer
    x = 4,060,757.74

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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.