Home / 2,621,529.56-3,932,343.55-728,320.21

Finding the Fourth Proportional to 2,621,529.56, 3,932,343.55 and 728,320.21

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Solution

The fourth proportional to 2,621,529.56, 3,932,343.55 and 728,320.21 is: 1,092,493.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621,529.56 : 3,932,343.55 = 728,320.21 : x
  2. Step 2: Convert to fraction form
    2,621,529.56/3,932,343.55 = 728,320.21/x
  3. Step 3: Cross multiply
    2,621,529.56x = 3,932,343.55 × 728,320.21
  4. Step 4: Simplify right side
    2,621,529.56x = 2,864,005,271,207.69
  5. Step 5: Solve for x
    x = 2,864,005,271,207.69/2,621,529.56
  6. Step 6: Final answer
    x = 1,092,493.98

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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.