Home / 3,119,166.30-4,678,749.45-2,662,520.70

Finding the Fourth Proportional to 3,119,166.30, 4,678,749.45 and 2,662,520.70

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Solution

The fourth proportional to 3,119,166.30, 4,678,749.45 and 2,662,520.70 is: 3,993,781.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,166.30 : 4,678,749.45 = 2,662,520.70 : x
  2. Step 2: Convert to fraction form
    3,119,166.30/4,678,749.45 = 2,662,520.70/x
  3. Step 3: Cross multiply
    3,119,166.30x = 4,678,749.45 × 2,662,520.70
  4. Step 4: Simplify right side
    3,119,166.30x = 12,457,267,260,738.62
  5. Step 5: Solve for x
    x = 12,457,267,260,738.62/3,119,166.30
  6. Step 6: Final answer
    x = 3,993,781.05

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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.