Home / 3,860,543.59-5,327,648.20-2,118,212.51

Finding the Fourth Proportional to 3,860,543.59, 5,327,648.20 and 2,118,212.51

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Solution

The fourth proportional to 3,860,543.59, 5,327,648.20 and 2,118,212.51 is: 2,923,187.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860,543.59 : 5,327,648.20 = 2,118,212.51 : x
  2. Step 2: Convert to fraction form
    3,860,543.59/5,327,648.20 = 2,118,212.51/x
  3. Step 3: Cross multiply
    3,860,543.59x = 5,327,648.20 × 2,118,212.51
  4. Step 4: Simplify right side
    3,860,543.59x = 11,285,091,078,144.86
  5. Step 5: Solve for x
    x = 11,285,091,078,144.86/3,860,543.59
  6. Step 6: Final answer
    x = 2,923,187.07

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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.