Home / 2,136,974.29-2,949,179.76-1,219,223.66

Finding the Fourth Proportional to 2,136,974.29, 2,949,179.76 and 1,219,223.66

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Solution

The fourth proportional to 2,136,974.29, 2,949,179.76 and 1,219,223.66 is: 1,682,617.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136,974.29 : 2,949,179.76 = 1,219,223.66 : x
  2. Step 2: Convert to fraction form
    2,136,974.29/2,949,179.76 = 1,219,223.66/x
  3. Step 3: Cross multiply
    2,136,974.29x = 2,949,179.76 × 1,219,223.66
  4. Step 4: Simplify right side
    2,136,974.29x = 3,595,709,740,985.12
  5. Step 5: Solve for x
    x = 3,595,709,740,985.12/2,136,974.29
  6. Step 6: Final answer
    x = 1,682,617.22

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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.