Home / 3,622,469.70-5,430,248.55-1,347,384.90

Finding the Fourth Proportional to 3,622,469.70, 5,430,248.55 and 1,347,384.90

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Solution

The fourth proportional to 3,622,469.70, 5,430,248.55 and 1,347,384.90 is: 2,019,791.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622,469.70 : 5,430,248.55 = 1,347,384.90 : x
  2. Step 2: Convert to fraction form
    3,622,469.70/5,430,248.55 = 1,347,384.90/x
  3. Step 3: Cross multiply
    3,622,469.70x = 5,430,248.55 × 1,347,384.90
  4. Step 4: Simplify right side
    3,622,469.70x = 7,316,634,899,516.90
  5. Step 5: Solve for x
    x = 7,316,634,899,516.90/3,622,469.70
  6. Step 6: Final answer
    x = 2,019,791.88

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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.