Home / 1,921,450.88-2,651,612.64-1,050,286.74

Finding the Fourth Proportional to 1,921,450.88, 2,651,612.64 and 1,050,286.74

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Solution

The fourth proportional to 1,921,450.88, 2,651,612.64 and 1,050,286.74 is: 1,449,401.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921,450.88 : 2,651,612.64 = 1,050,286.74 : x
  2. Step 2: Convert to fraction form
    1,921,450.88/2,651,612.64 = 1,050,286.74/x
  3. Step 3: Cross multiply
    1,921,450.88x = 2,651,612.64 × 1,050,286.74
  4. Step 4: Simplify right side
    1,921,450.88x = 2,784,953,595,408.39
  5. Step 5: Solve for x
    x = 2,784,953,595,408.39/1,921,450.88
  6. Step 6: Final answer
    x = 1,449,401.40

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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.