Home / 3,879,724.64-5,354,186.16-2,160,845.60

Finding the Fourth Proportional to 3,879,724.64, 5,354,186.16 and 2,160,845.60

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Solution

The fourth proportional to 3,879,724.64, 5,354,186.16 and 2,160,845.60 is: 2,982,059.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879,724.64 : 5,354,186.16 = 2,160,845.60 : x
  2. Step 2: Convert to fraction form
    3,879,724.64/5,354,186.16 = 2,160,845.60/x
  3. Step 3: Cross multiply
    3,879,724.64x = 5,354,186.16 × 2,160,845.60
  4. Step 4: Simplify right side
    3,879,724.64x = 11,569,569,605,416.90
  5. Step 5: Solve for x
    x = 11,569,569,605,416.90/3,879,724.64
  6. Step 6: Final answer
    x = 2,982,059.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.