Home / 3,788,529.66-5,228,174.43-2,069,678.88

Finding the Fourth Proportional to 3,788,529.66, 5,228,174.43 and 2,069,678.88

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Solution

The fourth proportional to 3,788,529.66, 5,228,174.43 and 2,069,678.88 is: 2,856,158.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788,529.66 : 5,228,174.43 = 2,069,678.88 : x
  2. Step 2: Convert to fraction form
    3,788,529.66/5,228,174.43 = 2,069,678.88/x
  3. Step 3: Cross multiply
    3,788,529.66x = 5,228,174.43 × 2,069,678.88
  4. Step 4: Simplify right side
    3,788,529.66x = 10,820,642,198,727.04
  5. Step 5: Solve for x
    x = 10,820,642,198,727.04/3,788,529.66
  6. Step 6: Final answer
    x = 2,856,158.77

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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.