Home / 2,213,270.80-3,319,906.20-697,145.20

Finding the Fourth Proportional to 2,213,270.80, 3,319,906.20 and 697,145.20

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Solution

The fourth proportional to 2,213,270.80, 3,319,906.20 and 697,145.20 is: 1,045,717.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213,270.80 : 3,319,906.20 = 697,145.20 : x
  2. Step 2: Convert to fraction form
    2,213,270.80/3,319,906.20 = 697,145.20/x
  3. Step 3: Cross multiply
    2,213,270.80x = 3,319,906.20 × 697,145.20
  4. Step 4: Simplify right side
    2,213,270.80x = 2,314,456,671,780.24
  5. Step 5: Solve for x
    x = 2,314,456,671,780.24/2,213,270.80
  6. Step 6: Final answer
    x = 1,045,717.80

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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.