Home / 2,872,668.88-3,964,084.89-1,615,544.22

Finding the Fourth Proportional to 2,872,668.88, 3,964,084.89 and 1,615,544.22

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Solution

The fourth proportional to 2,872,668.88, 3,964,084.89 and 1,615,544.22 is: 2,229,339.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872,668.88 : 3,964,084.89 = 1,615,544.22 : x
  2. Step 2: Convert to fraction form
    2,872,668.88/3,964,084.89 = 1,615,544.22/x
  3. Step 3: Cross multiply
    2,872,668.88x = 3,964,084.89 × 1,615,544.22
  4. Step 4: Simplify right side
    2,872,668.88x = 6,404,154,431,628.84
  5. Step 5: Solve for x
    x = 6,404,154,431,628.84/2,872,668.88
  6. Step 6: Final answer
    x = 2,229,339.58

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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.