Home / 5,383,143.88-8,071,463.46-2,145,179.68

Finding the Fourth Proportional to 5,383,143.88, 8,071,463.46 and 2,145,179.68

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Solution

The fourth proportional to 5,383,143.88, 8,071,463.46 and 2,145,179.68 is: 3,216,473.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383,143.88 : 8,071,463.46 = 2,145,179.68 : x
  2. Step 2: Convert to fraction form
    5,383,143.88/8,071,463.46 = 2,145,179.68/x
  3. Step 3: Cross multiply
    5,383,143.88x = 8,071,463.46 × 2,145,179.68
  4. Step 4: Simplify right side
    5,383,143.88x = 17,314,739,402,254.49
  5. Step 5: Solve for x
    x = 17,314,739,402,254.49/5,383,143.88
  6. Step 6: Final answer
    x = 3,216,473.46

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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.