Home / 2,916,537.91-4,375,017.11-1,119,421.39

Finding the Fourth Proportional to 2,916,537.91, 4,375,017.11 and 1,119,421.39

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Solution

The fourth proportional to 2,916,537.91, 4,375,017.11 and 1,119,421.39 is: 1,679,212.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916,537.91 : 4,375,017.11 = 1,119,421.39 : x
  2. Step 2: Convert to fraction form
    2,916,537.91/4,375,017.11 = 1,119,421.39/x
  3. Step 3: Cross multiply
    2,916,537.91x = 4,375,017.11 × 1,119,421.39
  4. Step 4: Simplify right side
    2,916,537.91x = 4,897,487,726,410.99
  5. Step 5: Solve for x
    x = 4,897,487,726,410.99/2,916,537.91
  6. Step 6: Final answer
    x = 1,679,212.78

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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.