Home / 5,388,215.88-8,082,498.78-2,828,784.36

Finding the Fourth Proportional to 5,388,215.88, 8,082,498.78 and 2,828,784.36

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Solution

The fourth proportional to 5,388,215.88, 8,082,498.78 and 2,828,784.36 is: 4,243,268.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388,215.88 : 8,082,498.78 = 2,828,784.36 : x
  2. Step 2: Convert to fraction form
    5,388,215.88/8,082,498.78 = 2,828,784.36/x
  3. Step 3: Cross multiply
    5,388,215.88x = 8,082,498.78 × 2,828,784.36
  4. Step 4: Simplify right side
    5,388,215.88x = 22,863,646,138,583.08
  5. Step 5: Solve for x
    x = 22,863,646,138,583.08/5,388,215.88
  6. Step 6: Final answer
    x = 4,243,268.39

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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.