Home / 3,271,333.23-4,518,219.29-2,181,711.11

Finding the Fourth Proportional to 3,271,333.23, 4,518,219.29 and 2,181,711.11

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Solution

The fourth proportional to 3,271,333.23, 4,518,219.29 and 2,181,711.11 is: 3,013,281.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271,333.23 : 4,518,219.29 = 2,181,711.11 : x
  2. Step 2: Convert to fraction form
    3,271,333.23/4,518,219.29 = 2,181,711.11/x
  3. Step 3: Cross multiply
    3,271,333.23x = 4,518,219.29 × 2,181,711.11
  4. Step 4: Simplify right side
    3,271,333.23x = 9,857,449,188,909.66
  5. Step 5: Solve for x
    x = 9,857,449,188,909.66/3,271,333.23
  6. Step 6: Final answer
    x = 3,013,281.89

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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.