Home / 3,860,782.92-5,328,517.77-2,142,457.02

Finding the Fourth Proportional to 3,860,782.92, 5,328,517.77 and 2,142,457.02

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Solution

The fourth proportional to 3,860,782.92, 5,328,517.77 and 2,142,457.02 is: 2,956,944.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860,782.92 : 5,328,517.77 = 2,142,457.02 : x
  2. Step 2: Convert to fraction form
    3,860,782.92/5,328,517.77 = 2,142,457.02/x
  3. Step 3: Cross multiply
    3,860,782.92x = 5,328,517.77 × 2,142,457.02
  4. Step 4: Simplify right side
    3,860,782.92x = 11,416,120,302,531.24
  5. Step 5: Solve for x
    x = 11,416,120,302,531.24/3,860,782.92
  6. Step 6: Final answer
    x = 2,956,944.37

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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.