Home / 2,253,145.86-3,109,465.80-1,286,586.63

Finding the Fourth Proportional to 2,253,145.86, 3,109,465.80 and 1,286,586.63

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Solution

The fourth proportional to 2,253,145.86, 3,109,465.80 and 1,286,586.63 is: 1,775,560.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253,145.86 : 3,109,465.80 = 1,286,586.63 : x
  2. Step 2: Convert to fraction form
    2,253,145.86/3,109,465.80 = 1,286,586.63/x
  3. Step 3: Cross multiply
    2,253,145.86x = 3,109,465.80 × 1,286,586.63
  4. Step 4: Simplify right side
    2,253,145.86x = 4,000,597,124,722.25
  5. Step 5: Solve for x
    x = 4,000,597,124,722.25/2,253,145.86
  6. Step 6: Final answer
    x = 1,775,560.65

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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.