Home / 5,641,518.12-7,785,983.46-3,318,299.88

Finding the Fourth Proportional to 5,641,518.12, 7,785,983.46 and 3,318,299.88

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Solution

The fourth proportional to 5,641,518.12, 7,785,983.46 and 3,318,299.88 is: 4,579,658.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,641,518.12 : 7,785,983.46 = 3,318,299.88 : x
  2. Step 2: Convert to fraction form
    5,641,518.12/7,785,983.46 = 3,318,299.88/x
  3. Step 3: Cross multiply
    5,641,518.12x = 7,785,983.46 × 3,318,299.88
  4. Step 4: Simplify right side
    5,641,518.12x = 25,836,227,980,999.98
  5. Step 5: Solve for x
    x = 25,836,227,980,999.98/5,641,518.12
  6. Step 6: Final answer
    x = 4,579,658.78

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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.