Home / 6,151,771.98-8,489,417.49-3,398,460.30

Finding the Fourth Proportional to 6,151,771.98, 8,489,417.49 and 3,398,460.30

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Solution

The fourth proportional to 6,151,771.98, 8,489,417.49 and 3,398,460.30 is: 4,689,859.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,151,771.98 : 8,489,417.49 = 3,398,460.30 : x
  2. Step 2: Convert to fraction form
    6,151,771.98/8,489,417.49 = 3,398,460.30/x
  3. Step 3: Cross multiply
    6,151,771.98x = 8,489,417.49 × 3,398,460.30
  4. Step 4: Simplify right side
    6,151,771.98x = 28,850,948,309,890.64
  5. Step 5: Solve for x
    x = 28,850,948,309,890.64/6,151,771.98
  6. Step 6: Final answer
    x = 4,689,859.83

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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.