Home / 2,118,717.84-2,923,863.90-1,151,851.83

Finding the Fourth Proportional to 2,118,717.84, 2,923,863.90 and 1,151,851.83

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Solution

The fourth proportional to 2,118,717.84, 2,923,863.90 and 1,151,851.83 is: 1,589,573.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,717.84 : 2,923,863.90 = 1,151,851.83 : x
  2. Step 2: Convert to fraction form
    2,118,717.84/2,923,863.90 = 1,151,851.83/x
  3. Step 3: Cross multiply
    2,118,717.84x = 2,923,863.90 × 1,151,851.83
  4. Step 4: Simplify right side
    2,118,717.84x = 3,367,857,983,885.94
  5. Step 5: Solve for x
    x = 3,367,857,983,885.94/2,118,717.84
  6. Step 6: Final answer
    x = 1,589,573.62

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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.