Home / 3,783,438.60-5,219,780.46-2,912,539.56

Finding the Fourth Proportional to 3,783,438.60, 5,219,780.46 and 2,912,539.56

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Solution

The fourth proportional to 3,783,438.60, 5,219,780.46 and 2,912,539.56 is: 4,018,253.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783,438.60 : 5,219,780.46 = 2,912,539.56 : x
  2. Step 2: Convert to fraction form
    3,783,438.60/5,219,780.46 = 2,912,539.56/x
  3. Step 3: Cross multiply
    3,783,438.60x = 5,219,780.46 × 2,912,539.56
  4. Step 4: Simplify right side
    3,783,438.60x = 15,202,817,084,265.00
  5. Step 5: Solve for x
    x = 15,202,817,084,265.00/3,783,438.60
  6. Step 6: Final answer
    x = 4,018,253.95

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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.