Home / 3,828,108.50-5,281,656.44-2,278,127.62

Finding the Fourth Proportional to 3,828,108.50, 5,281,656.44 and 2,278,127.62

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Solution

The fourth proportional to 3,828,108.50, 5,281,656.44 and 2,278,127.62 is: 3,143,141.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828,108.50 : 5,281,656.44 = 2,278,127.62 : x
  2. Step 2: Convert to fraction form
    3,828,108.50/5,281,656.44 = 2,278,127.62/x
  3. Step 3: Cross multiply
    3,828,108.50x = 5,281,656.44 × 2,278,127.62
  4. Step 4: Simplify right side
    3,828,108.50x = 12,032,287,415,314.88
  5. Step 5: Solve for x
    x = 12,032,287,415,314.88/3,828,108.50
  6. Step 6: Final answer
    x = 3,143,141.69

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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.