Home / 1,615,219.64-2,229,003.22-936,549.80

Finding the Fourth Proportional to 1,615,219.64, 2,229,003.22 and 936,549.80

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Solution

The fourth proportional to 1,615,219.64, 2,229,003.22 and 936,549.80 is: 1,292,438.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,219.64 : 2,229,003.22 = 936,549.80 : x
  2. Step 2: Convert to fraction form
    1,615,219.64/2,229,003.22 = 936,549.80/x
  3. Step 3: Cross multiply
    1,615,219.64x = 2,229,003.22 × 936,549.80
  4. Step 4: Simplify right side
    1,615,219.64x = 2,087,572,519,890.36
  5. Step 5: Solve for x
    x = 2,087,572,519,890.36/1,615,219.64
  6. Step 6: Final answer
    x = 1,292,438.79

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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.