Home / 2,791,131.12-3,852,263.64-1,645,144.56

Finding the Fourth Proportional to 2,791,131.12, 3,852,263.64 and 1,645,144.56

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Solution

The fourth proportional to 2,791,131.12, 3,852,263.64 and 1,645,144.56 is: 2,270,595.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791,131.12 : 3,852,263.64 = 1,645,144.56 : x
  2. Step 2: Convert to fraction form
    2,791,131.12/3,852,263.64 = 1,645,144.56/x
  3. Step 3: Cross multiply
    2,791,131.12x = 3,852,263.64 × 1,645,144.56
  4. Step 4: Simplify right side
    2,791,131.12x = 6,337,530,571,031.80
  5. Step 5: Solve for x
    x = 6,337,530,571,031.80/2,791,131.12
  6. Step 6: Final answer
    x = 2,270,595.79

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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.