Home / 3,127,631.20-4,691,884.20-1,330,500.40

Finding the Fourth Proportional to 3,127,631.20, 4,691,884.20 and 1,330,500.40

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Solution

The fourth proportional to 3,127,631.20, 4,691,884.20 and 1,330,500.40 is: 1,995,936.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127,631.20 : 4,691,884.20 = 1,330,500.40 : x
  2. Step 2: Convert to fraction form
    3,127,631.20/4,691,884.20 = 1,330,500.40/x
  3. Step 3: Cross multiply
    3,127,631.20x = 4,691,884.20 × 1,330,500.40
  4. Step 4: Simplify right side
    3,127,631.20x = 6,242,553,804,853.68
  5. Step 5: Solve for x
    x = 6,242,553,804,853.68/3,127,631.20
  6. Step 6: Final answer
    x = 1,995,936.67

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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.