Home / 2,472,910.40-3,705,866.40-2,171,979.20

Finding the Fourth Proportional to 2,472,910.40, 3,705,866.40 and 2,171,979.20

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Solution

The fourth proportional to 2,472,910.40, 3,705,866.40 and 2,171,979.20 is: 3,254,895.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,472,910.40 : 3,705,866.40 = 2,171,979.20 : x
  2. Step 2: Convert to fraction form
    2,472,910.40/3,705,866.40 = 2,171,979.20/x
  3. Step 3: Cross multiply
    2,472,910.40x = 3,705,866.40 × 2,171,979.20
  4. Step 4: Simplify right side
    2,472,910.40x = 8,049,064,738,778.88
  5. Step 5: Solve for x
    x = 8,049,064,738,778.88/2,472,910.40
  6. Step 6: Final answer
    x = 3,254,895.42

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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.