Home / 2,125,910.54-2,933,630.13-1,208,012.30

Finding the Fourth Proportional to 2,125,910.54, 2,933,630.13 and 1,208,012.30

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Solution

The fourth proportional to 2,125,910.54, 2,933,630.13 and 1,208,012.30 is: 1,666,985.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,910.54 : 2,933,630.13 = 1,208,012.30 : x
  2. Step 2: Convert to fraction form
    2,125,910.54/2,933,630.13 = 1,208,012.30/x
  3. Step 3: Cross multiply
    2,125,910.54x = 2,933,630.13 × 1,208,012.30
  4. Step 4: Simplify right side
    2,125,910.54x = 3,543,861,266,022.45
  5. Step 5: Solve for x
    x = 3,543,861,266,022.45/2,125,910.54
  6. Step 6: Final answer
    x = 1,666,985.14

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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.