Home / 5,391,781.72-8,087,649.54-2,196,195.16

Finding the Fourth Proportional to 5,391,781.72, 8,087,649.54 and 2,196,195.16

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Solution

The fourth proportional to 5,391,781.72, 8,087,649.54 and 2,196,195.16 is: 3,294,283.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391,781.72 : 8,087,649.54 = 2,196,195.16 : x
  2. Step 2: Convert to fraction form
    5,391,781.72/8,087,649.54 = 2,196,195.16/x
  3. Step 3: Cross multiply
    5,391,781.72x = 8,087,649.54 × 2,196,195.16
  4. Step 4: Simplify right side
    5,391,781.72x = 17,762,056,775,524.23
  5. Step 5: Solve for x
    x = 17,762,056,775,524.23/5,391,781.72
  6. Step 6: Final answer
    x = 3,294,283.36

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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.