Home / 3,979,871.34-5,969,223.81-1,957,572.42

Finding the Fourth Proportional to 3,979,871.34, 5,969,223.81 and 1,957,572.42

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Solution

The fourth proportional to 3,979,871.34, 5,969,223.81 and 1,957,572.42 is: 2,936,071.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979,871.34 : 5,969,223.81 = 1,957,572.42 : x
  2. Step 2: Convert to fraction form
    3,979,871.34/5,969,223.81 = 1,957,572.42/x
  3. Step 3: Cross multiply
    3,979,871.34x = 5,969,223.81 × 1,957,572.42
  4. Step 4: Simplify right side
    3,979,871.34x = 11,685,187,899,263.32
  5. Step 5: Solve for x
    x = 11,685,187,899,263.32/3,979,871.34
  6. Step 6: Final answer
    x = 2,936,071.77

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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.