Home / 1,926,896.40-2,887,234.20-1,609,635.60

Finding the Fourth Proportional to 1,926,896.40, 2,887,234.20 and 1,609,635.60

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Solution

The fourth proportional to 1,926,896.40, 2,887,234.20 and 1,609,635.60 is: 2,411,855.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926,896.40 : 2,887,234.20 = 1,609,635.60 : x
  2. Step 2: Convert to fraction form
    1,926,896.40/2,887,234.20 = 1,609,635.60/x
  3. Step 3: Cross multiply
    1,926,896.40x = 2,887,234.20 × 1,609,635.60
  4. Step 4: Simplify right side
    1,926,896.40x = 4,647,394,953,857.52
  5. Step 5: Solve for x
    x = 4,647,394,953,857.52/1,926,896.40
  6. Step 6: Final answer
    x = 2,411,855.12

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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.