Home / 1,890,025.25-2,834,151.22-691,109.21

Finding the Fourth Proportional to 1,890,025.25, 2,834,151.22 and 691,109.21

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Solution

The fourth proportional to 1,890,025.25, 2,834,151.22 and 691,109.21 is: 1,036,339.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,025.25 : 2,834,151.22 = 691,109.21 : x
  2. Step 2: Convert to fraction form
    1,890,025.25/2,834,151.22 = 691,109.21/x
  3. Step 3: Cross multiply
    1,890,025.25x = 2,834,151.22 × 691,109.21
  4. Step 4: Simplify right side
    1,890,025.25x = 1,958,708,018,624.00
  5. Step 5: Solve for x
    x = 1,958,708,018,624.00/1,890,025.25
  6. Step 6: Final answer
    x = 1,036,339.61

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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.