Home / 2,412,438.23-3,329,222.60-1,309,916.11

Finding the Fourth Proportional to 2,412,438.23, 3,329,222.60 and 1,309,916.11

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Solution

The fourth proportional to 2,412,438.23, 3,329,222.60 and 1,309,916.11 is: 1,807,715.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412,438.23 : 3,329,222.60 = 1,309,916.11 : x
  2. Step 2: Convert to fraction form
    2,412,438.23/3,329,222.60 = 1,309,916.11/x
  3. Step 3: Cross multiply
    2,412,438.23x = 3,329,222.60 × 1,309,916.11
  4. Step 4: Simplify right side
    2,412,438.23x = 4,361,002,294,320.39
  5. Step 5: Solve for x
    x = 4,361,002,294,320.39/2,412,438.23
  6. Step 6: Final answer
    x = 1,807,715.63

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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.