Home / 6,605,248.20-9,907,872.30-2,117,977.80

Finding the Fourth Proportional to 6,605,248.20, 9,907,872.30 and 2,117,977.80

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Solution

The fourth proportional to 6,605,248.20, 9,907,872.30 and 2,117,977.80 is: 3,176,966.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,605,248.20 : 9,907,872.30 = 2,117,977.80 : x
  2. Step 2: Convert to fraction form
    6,605,248.20/9,907,872.30 = 2,117,977.80/x
  3. Step 3: Cross multiply
    6,605,248.20x = 9,907,872.30 × 2,117,977.80
  4. Step 4: Simplify right side
    6,605,248.20x = 20,984,653,576,634.94
  5. Step 5: Solve for x
    x = 20,984,653,576,634.94/6,605,248.20
  6. Step 6: Final answer
    x = 3,176,966.70

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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.