Home / 3,991,731.02-5,508,590.91-2,156,189.26

Finding the Fourth Proportional to 3,991,731.02, 5,508,590.91 and 2,156,189.26

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Solution

The fourth proportional to 3,991,731.02, 5,508,590.91 and 2,156,189.26 is: 2,975,542.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991,731.02 : 5,508,590.91 = 2,156,189.26 : x
  2. Step 2: Convert to fraction form
    3,991,731.02/5,508,590.91 = 2,156,189.26/x
  3. Step 3: Cross multiply
    3,991,731.02x = 5,508,590.91 × 2,156,189.26
  4. Step 4: Simplify right side
    3,991,731.02x = 11,877,564,557,875.62
  5. Step 5: Solve for x
    x = 11,877,564,557,875.62/3,991,731.02
  6. Step 6: Final answer
    x = 2,975,542.31

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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.