Home / 2,124,808.38-3,186,043.89-1,451,649.78

Finding the Fourth Proportional to 2,124,808.38, 3,186,043.89 and 1,451,649.78

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Solution

The fourth proportional to 2,124,808.38, 3,186,043.89 and 1,451,649.78 is: 2,176,676.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124,808.38 : 3,186,043.89 = 1,451,649.78 : x
  2. Step 2: Convert to fraction form
    2,124,808.38/3,186,043.89 = 1,451,649.78/x
  3. Step 3: Cross multiply
    2,124,808.38x = 3,186,043.89 × 1,451,649.78
  4. Step 4: Simplify right side
    2,124,808.38x = 4,625,019,911,988.85
  5. Step 5: Solve for x
    x = 4,625,019,911,988.85/2,124,808.38
  6. Step 6: Final answer
    x = 2,176,676.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.