Home / 3,855,643.20-5,777,935.20-2,836,814.40

Finding the Fourth Proportional to 3,855,643.20, 5,777,935.20 and 2,836,814.40

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Solution

The fourth proportional to 3,855,643.20, 5,777,935.20 and 2,836,814.40 is: 4,251,153.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855,643.20 : 5,777,935.20 = 2,836,814.40 : x
  2. Step 2: Convert to fraction form
    3,855,643.20/5,777,935.20 = 2,836,814.40/x
  3. Step 3: Cross multiply
    3,855,643.20x = 5,777,935.20 × 2,836,814.40
  4. Step 4: Simplify right side
    3,855,643.20x = 16,390,929,777,626.88
  5. Step 5: Solve for x
    x = 16,390,929,777,626.88/3,855,643.20
  6. Step 6: Final answer
    x = 4,251,153.16

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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.