Home / 5,414,879.40-8,119,208.70-1,627,794.60

Finding the Fourth Proportional to 5,414,879.40, 8,119,208.70 and 1,627,794.60

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Solution

The fourth proportional to 5,414,879.40, 8,119,208.70 and 1,627,794.60 is: 2,440,756.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414,879.40 : 8,119,208.70 = 1,627,794.60 : x
  2. Step 2: Convert to fraction form
    5,414,879.40/8,119,208.70 = 1,627,794.60/x
  3. Step 3: Cross multiply
    5,414,879.40x = 8,119,208.70 × 1,627,794.60
  4. Step 4: Simplify right side
    5,414,879.40x = 13,216,404,078,133.02
  5. Step 5: Solve for x
    x = 13,216,404,078,133.02/5,414,879.40
  6. Step 6: Final answer
    x = 2,440,756.87

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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.