Home / 4,887,609.12-7,328,466.72-2,191,446.72

Finding the Fourth Proportional to 4,887,609.12, 7,328,466.72 and 2,191,446.72

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Solution

The fourth proportional to 4,887,609.12, 7,328,466.72 and 2,191,446.72 is: 3,285,848.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887,609.12 : 7,328,466.72 = 2,191,446.72 : x
  2. Step 2: Convert to fraction form
    4,887,609.12/7,328,466.72 = 2,191,446.72/x
  3. Step 3: Cross multiply
    4,887,609.12x = 7,328,466.72 × 2,191,446.72
  4. Step 4: Simplify right side
    4,887,609.12x = 16,059,944,356,173.16
  5. Step 5: Solve for x
    x = 16,059,944,356,173.16/4,887,609.12
  6. Step 6: Final answer
    x = 3,285,848.76

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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.