Home / 2,130,429.30-3,192,922.35-866,829.30

Finding the Fourth Proportional to 2,130,429.30, 3,192,922.35 and 866,829.30

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Solution

The fourth proportional to 2,130,429.30, 3,192,922.35 and 866,829.30 is: 1,299,136.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,429.30 : 3,192,922.35 = 866,829.30 : x
  2. Step 2: Convert to fraction form
    2,130,429.30/3,192,922.35 = 866,829.30/x
  3. Step 3: Cross multiply
    2,130,429.30x = 3,192,922.35 × 866,829.30
  4. Step 4: Simplify right side
    2,130,429.30x = 2,767,718,645,604.86
  5. Step 5: Solve for x
    x = 2,767,718,645,604.86/2,130,429.30
  6. Step 6: Final answer
    x = 1,299,136.59

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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.