Home / 5,456,979.40-8,185,469.10-1,670,470.60

Finding the Fourth Proportional to 5,456,979.40, 8,185,469.10 and 1,670,470.60

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Solution

The fourth proportional to 5,456,979.40, 8,185,469.10 and 1,670,470.60 is: 2,505,705.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456,979.40 : 8,185,469.10 = 1,670,470.60 : x
  2. Step 2: Convert to fraction form
    5,456,979.40/8,185,469.10 = 1,670,470.60/x
  3. Step 3: Cross multiply
    5,456,979.40x = 8,185,469.10 × 1,670,470.60
  4. Step 4: Simplify right side
    5,456,979.40x = 13,673,585,478,758.46
  5. Step 5: Solve for x
    x = 13,673,585,478,758.46/5,456,979.40
  6. Step 6: Final answer
    x = 2,505,705.90

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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.