Home / 5,420,671.86-8,120,166.85-3,260,504.13

Finding the Fourth Proportional to 5,420,671.86, 8,120,166.85 and 3,260,504.13

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Solution

The fourth proportional to 5,420,671.86, 8,120,166.85 and 3,260,504.13 is: 4,884,235.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,420,671.86 : 8,120,166.85 = 3,260,504.13 : x
  2. Step 2: Convert to fraction form
    5,420,671.86/8,120,166.85 = 3,260,504.13/x
  3. Step 3: Cross multiply
    5,420,671.86x = 8,120,166.85 × 3,260,504.13
  4. Step 4: Simplify right side
    5,420,671.86x = 26,475,837,550,714.09
  5. Step 5: Solve for x
    x = 26,475,837,550,714.09/5,420,671.86
  6. Step 6: Final answer
    x = 4,884,235.43

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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.