Home / 2,215,136.91-3,056,890.28-1,196,542.11

Finding the Fourth Proportional to 2,215,136.91, 3,056,890.28 and 1,196,542.11

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Solution

The fourth proportional to 2,215,136.91, 3,056,890.28 and 1,196,542.11 is: 1,651,228.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215,136.91 : 3,056,890.28 = 1,196,542.11 : x
  2. Step 2: Convert to fraction form
    2,215,136.91/3,056,890.28 = 1,196,542.11/x
  3. Step 3: Cross multiply
    2,215,136.91x = 3,056,890.28 × 1,196,542.11
  4. Step 4: Simplify right side
    2,215,136.91x = 3,657,697,939,686.98
  5. Step 5: Solve for x
    x = 3,657,697,939,686.98/2,215,136.91
  6. Step 6: Final answer
    x = 1,651,228.84

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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.