Home / 2,551,031.42-3,520,504.04-1,389,512.64

Finding the Fourth Proportional to 2,551,031.42, 3,520,504.04 and 1,389,512.64

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Solution

The fourth proportional to 2,551,031.42, 3,520,504.04 and 1,389,512.64 is: 1,917,571.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551,031.42 : 3,520,504.04 = 1,389,512.64 : x
  2. Step 2: Convert to fraction form
    2,551,031.42/3,520,504.04 = 1,389,512.64/x
  3. Step 3: Cross multiply
    2,551,031.42x = 3,520,504.04 × 1,389,512.64
  4. Step 4: Simplify right side
    2,551,031.42x = 4,891,784,862,751.07
  5. Step 5: Solve for x
    x = 4,891,784,862,751.07/2,551,031.42
  6. Step 6: Final answer
    x = 1,917,571.39

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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.