Home / 2,188,381.98-3,020,469.75-1,423,102.62

Finding the Fourth Proportional to 2,188,381.98, 3,020,469.75 and 1,423,102.62

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Solution

The fourth proportional to 2,188,381.98, 3,020,469.75 and 1,423,102.62 is: 1,964,208.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,381.98 : 3,020,469.75 = 1,423,102.62 : x
  2. Step 2: Convert to fraction form
    2,188,381.98/3,020,469.75 = 1,423,102.62/x
  3. Step 3: Cross multiply
    2,188,381.98x = 3,020,469.75 × 1,423,102.62
  4. Step 4: Simplify right side
    2,188,381.98x = 4,298,438,414,855.75
  5. Step 5: Solve for x
    x = 4,298,438,414,855.75/2,188,381.98
  6. Step 6: Final answer
    x = 1,964,208.47

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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.