Home / 3,139,390.80-4,709,086.20-3,086,246.70

Finding the Fourth Proportional to 3,139,390.80, 4,709,086.20 and 3,086,246.70

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Solution

The fourth proportional to 3,139,390.80, 4,709,086.20 and 3,086,246.70 is: 4,629,370.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,390.80 : 4,709,086.20 = 3,086,246.70 : x
  2. Step 2: Convert to fraction form
    3,139,390.80/4,709,086.20 = 3,086,246.70/x
  3. Step 3: Cross multiply
    3,139,390.80x = 4,709,086.20 × 3,086,246.70
  4. Step 4: Simplify right side
    3,139,390.80x = 14,533,401,744,765.54
  5. Step 5: Solve for x
    x = 14,533,401,744,765.54/3,139,390.80
  6. Step 6: Final answer
    x = 4,629,370.05

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Double scale
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Similar ratio
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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.