Home / 3,785,179.23-5,674,410.42-1,388,472.57

Finding the Fourth Proportional to 3,785,179.23, 5,674,410.42 and 1,388,472.57

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Solution

The fourth proportional to 3,785,179.23, 5,674,410.42 and 1,388,472.57 is: 2,081,476.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785,179.23 : 5,674,410.42 = 1,388,472.57 : x
  2. Step 2: Convert to fraction form
    3,785,179.23/5,674,410.42 = 1,388,472.57/x
  3. Step 3: Cross multiply
    3,785,179.23x = 5,674,410.42 × 1,388,472.57
  4. Step 4: Simplify right side
    3,785,179.23x = 7,878,763,219,092.18
  5. Step 5: Solve for x
    x = 7,878,763,219,092.18/3,785,179.23
  6. Step 6: Final answer
    x = 2,081,476.92

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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.