Home / 2,214,429.90-3,321,472.05-866,330.70

Finding the Fourth Proportional to 2,214,429.90, 3,321,472.05 and 866,330.70

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Solution

The fourth proportional to 2,214,429.90, 3,321,472.05 and 866,330.70 is: 1,299,428.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214,429.90 : 3,321,472.05 = 866,330.70 : x
  2. Step 2: Convert to fraction form
    2,214,429.90/3,321,472.05 = 866,330.70/x
  3. Step 3: Cross multiply
    2,214,429.90x = 3,321,472.05 × 866,330.70
  4. Step 4: Simplify right side
    2,214,429.90x = 2,877,493,206,106.93
  5. Step 5: Solve for x
    x = 2,877,493,206,106.93/2,214,429.90
  6. Step 6: Final answer
    x = 1,299,428.45

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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.