Home / 2,136,639.91-3,205,223.40-696,938.41

Finding the Fourth Proportional to 2,136,639.91, 3,205,223.40 and 696,938.41

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Solution

The fourth proportional to 2,136,639.91, 3,205,223.40 and 696,938.41 is: 1,045,493.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136,639.91 : 3,205,223.40 = 696,938.41 : x
  2. Step 2: Convert to fraction form
    2,136,639.91/3,205,223.40 = 696,938.41/x
  3. Step 3: Cross multiply
    2,136,639.91x = 3,205,223.40 × 696,938.41
  4. Step 4: Simplify right side
    2,136,639.91x = 2,233,843,302,790.56
  5. Step 5: Solve for x
    x = 2,233,843,302,790.56/2,136,639.91
  6. Step 6: Final answer
    x = 1,045,493.58

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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.