Home / 1,615,218.64-2,229,001.84-936,548.80

Finding the Fourth Proportional to 1,615,218.64, 2,229,001.84 and 936,548.80

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Solution

The fourth proportional to 1,615,218.64, 2,229,001.84 and 936,548.80 is: 1,292,437.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,218.64 : 2,229,001.84 = 936,548.80 : x
  2. Step 2: Convert to fraction form
    1,615,218.64/2,229,001.84 = 936,548.80/x
  3. Step 3: Cross multiply
    1,615,218.64x = 2,229,001.84 × 936,548.80
  4. Step 4: Simplify right side
    1,615,218.64x = 2,087,568,998,449.79
  5. Step 5: Solve for x
    x = 2,087,568,998,449.79/1,615,218.64
  6. Step 6: Final answer
    x = 1,292,437.41

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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.