Home / 3,218,711.52-4,439,974.24-2,009,388

Finding the Fourth Proportional to 3,218,711.52, 4,439,974.24 and 2,009,388

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Solution

The fourth proportional to 3,218,711.52, 4,439,974.24 and 2,009,388 is: 2,771,801.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,711.52 : 4,439,974.24 = 2,009,388 : x
  2. Step 2: Convert to fraction form
    3,218,711.52/4,439,974.24 = 2,009,388/x
  3. Step 3: Cross multiply
    3,218,711.52x = 4,439,974.24 × 2,009,388
  4. Step 4: Simplify right side
    3,218,711.52x = 8,921,630,958,165.12
  5. Step 5: Solve for x
    x = 8,921,630,958,165.12/3,218,711.52
  6. Step 6: Final answer
    x = 2,771,801.98

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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.