Home / 3,611,493.40-4,983,752.88-1,979,844.96

Finding the Fourth Proportional to 3,611,493.40, 4,983,752.88 and 1,979,844.96

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Solution

The fourth proportional to 3,611,493.40, 4,983,752.88 and 1,979,844.96 is: 2,732,126.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611,493.40 : 4,983,752.88 = 1,979,844.96 : x
  2. Step 2: Convert to fraction form
    3,611,493.40/4,983,752.88 = 1,979,844.96/x
  3. Step 3: Cross multiply
    3,611,493.40x = 4,983,752.88 × 1,979,844.96
  4. Step 4: Simplify right side
    3,611,493.40x = 9,867,058,021,353.49
  5. Step 5: Solve for x
    x = 9,867,058,021,353.49/3,611,493.40
  6. Step 6: Final answer
    x = 2,732,126.83

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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.