Home / 3,622,469.20-5,430,247.80-1,347,384.40

Finding the Fourth Proportional to 3,622,469.20, 5,430,247.80 and 1,347,384.40

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Solution

The fourth proportional to 3,622,469.20, 5,430,247.80 and 1,347,384.40 is: 2,019,791.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622,469.20 : 5,430,247.80 = 1,347,384.40 : x
  2. Step 2: Convert to fraction form
    3,622,469.20/5,430,247.80 = 1,347,384.40/x
  3. Step 3: Cross multiply
    3,622,469.20x = 5,430,247.80 × 1,347,384.40
  4. Step 4: Simplify right side
    3,622,469.20x = 7,316,631,173,854.32
  5. Step 5: Solve for x
    x = 7,316,631,173,854.32/3,622,469.20
  6. Step 6: Final answer
    x = 2,019,791.13

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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.