Home / 2,127,770.69-3,172,916.45-2,108,579.77

Finding the Fourth Proportional to 2,127,770.69, 3,172,916.45 and 2,108,579.77

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Solution

The fourth proportional to 2,127,770.69, 3,172,916.45 and 2,108,579.77 is: 3,144,299.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,770.69 : 3,172,916.45 = 2,108,579.77 : x
  2. Step 2: Convert to fraction form
    2,127,770.69/3,172,916.45 = 2,108,579.77/x
  3. Step 3: Cross multiply
    2,127,770.69x = 3,172,916.45 × 2,108,579.77
  4. Step 4: Simplify right side
    2,127,770.69x = 6,690,347,419,895.03
  5. Step 5: Solve for x
    x = 6,690,347,419,895.03/2,127,770.69
  6. Step 6: Final answer
    x = 3,144,299.07

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.