Home / 3,090,827.42-4,636,910.62-931,671.91

Finding the Fourth Proportional to 3,090,827.42, 4,636,910.62 and 931,671.91

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Solution

The fourth proportional to 3,090,827.42, 4,636,910.62 and 931,671.91 is: 1,397,709.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090,827.42 : 4,636,910.62 = 931,671.91 : x
  2. Step 2: Convert to fraction form
    3,090,827.42/4,636,910.62 = 931,671.91/x
  3. Step 3: Cross multiply
    3,090,827.42x = 4,636,910.62 × 931,671.91
  4. Step 4: Simplify right side
    3,090,827.42x = 4,320,079,375,584.97
  5. Step 5: Solve for x
    x = 4,320,079,375,584.97/3,090,827.42
  6. Step 6: Final answer
    x = 1,397,709.67

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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.