Home / 2,154,115.94-3,231,173.93-658,194.98

Finding the Fourth Proportional to 2,154,115.94, 3,231,173.93 and 658,194.98

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Solution

The fourth proportional to 2,154,115.94, 3,231,173.93 and 658,194.98 is: 987,292.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,115.94 : 3,231,173.93 = 658,194.98 : x
  2. Step 2: Convert to fraction form
    2,154,115.94/3,231,173.93 = 658,194.98/x
  3. Step 3: Cross multiply
    2,154,115.94x = 3,231,173.93 × 658,194.98
  4. Step 4: Simplify right side
    2,154,115.94x = 2,126,742,440,786.03
  5. Step 5: Solve for x
    x = 2,126,742,440,786.03/2,154,115.94
  6. Step 6: Final answer
    x = 987,292.47

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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.