Home / 3,215,122.10-4,823,579.07-2,621,686.98

Finding the Fourth Proportional to 3,215,122.10, 4,823,579.07 and 2,621,686.98

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Solution

The fourth proportional to 3,215,122.10, 4,823,579.07 and 2,621,686.98 is: 3,933,261.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215,122.10 : 4,823,579.07 = 2,621,686.98 : x
  2. Step 2: Convert to fraction form
    3,215,122.10/4,823,579.07 = 2,621,686.98/x
  3. Step 3: Cross multiply
    3,215,122.10x = 4,823,579.07 × 2,621,686.98
  4. Step 4: Simplify right side
    3,215,122.10x = 12,645,914,444,819.51
  5. Step 5: Solve for x
    x = 12,645,914,444,819.51/3,215,122.10
  6. Step 6: Final answer
    x = 3,933,261.02

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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.