Home / 3,487,999.40-5,229,234.30-1,912,063.40

Finding the Fourth Proportional to 3,487,999.40, 5,229,234.30 and 1,912,063.40

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Solution

The fourth proportional to 3,487,999.40, 5,229,234.30 and 1,912,063.40 is: 2,866,579.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487,999.40 : 5,229,234.30 = 1,912,063.40 : x
  2. Step 2: Convert to fraction form
    3,487,999.40/5,229,234.30 = 1,912,063.40/x
  3. Step 3: Cross multiply
    3,487,999.40x = 5,229,234.30 × 1,912,063.40
  4. Step 4: Simplify right side
    3,487,999.40x = 9,998,627,515,054.62
  5. Step 5: Solve for x
    x = 9,998,627,515,054.62/3,487,999.40
  6. Step 6: Final answer
    x = 2,866,579.48

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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.