Home / 3,879,801.64-5,354,292.42-2,160,922.60

Finding the Fourth Proportional to 3,879,801.64, 5,354,292.42 and 2,160,922.60

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Solution

The fourth proportional to 3,879,801.64, 5,354,292.42 and 2,160,922.60 is: 2,982,165.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879,801.64 : 5,354,292.42 = 2,160,922.60 : x
  2. Step 2: Convert to fraction form
    3,879,801.64/5,354,292.42 = 2,160,922.60/x
  3. Step 3: Cross multiply
    3,879,801.64x = 5,354,292.42 × 2,160,922.60
  4. Step 4: Simplify right side
    3,879,801.64x = 11,570,211,497,386.69
  5. Step 5: Solve for x
    x = 11,570,211,497,386.69/3,879,801.64
  6. Step 6: Final answer
    x = 2,982,165.73

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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.