Home / 6,420,766.86-8,860,423.01-3,520,094.22

Finding the Fourth Proportional to 6,420,766.86, 8,860,423.01 and 3,520,094.22

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Solution

The fourth proportional to 6,420,766.86, 8,860,423.01 and 3,520,094.22 is: 4,857,601.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,420,766.86 : 8,860,423.01 = 3,520,094.22 : x
  2. Step 2: Convert to fraction form
    6,420,766.86/8,860,423.01 = 3,520,094.22/x
  3. Step 3: Cross multiply
    6,420,766.86x = 8,860,423.01 × 3,520,094.22
  4. Step 4: Simplify right side
    6,420,766.86x = 31,189,523,806,655.54
  5. Step 5: Solve for x
    x = 31,189,523,806,655.54/6,420,766.86
  6. Step 6: Final answer
    x = 4,857,601.04

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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.