Home / 1,869,123.45-2,809,537.62-1,233,511.73

Finding the Fourth Proportional to 1,869,123.45, 2,809,537.62 and 1,233,511.73

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Solution

The fourth proportional to 1,869,123.45, 2,809,537.62 and 1,233,511.73 is: 1,854,129.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,123.45 : 2,809,537.62 = 1,233,511.73 : x
  2. Step 2: Convert to fraction form
    1,869,123.45/2,809,537.62 = 1,233,511.73/x
  3. Step 3: Cross multiply
    1,869,123.45x = 2,809,537.62 × 1,233,511.73
  4. Step 4: Simplify right side
    1,869,123.45x = 3,465,597,596,098.60
  5. Step 5: Solve for x
    x = 3,465,597,596,098.60/1,869,123.45
  6. Step 6: Final answer
    x = 1,854,129.86

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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.