Home / 2,195,380.40-3,286,619.40-1,636,890.80

Finding the Fourth Proportional to 2,195,380.40, 3,286,619.40 and 1,636,890.80

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Solution

The fourth proportional to 2,195,380.40, 3,286,619.40 and 1,636,890.80 is: 2,450,526.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195,380.40 : 3,286,619.40 = 1,636,890.80 : x
  2. Step 2: Convert to fraction form
    2,195,380.40/3,286,619.40 = 1,636,890.80/x
  3. Step 3: Cross multiply
    2,195,380.40x = 3,286,619.40 × 1,636,890.80
  4. Step 4: Simplify right side
    2,195,380.40x = 5,379,837,058,961.52
  5. Step 5: Solve for x
    x = 5,379,837,058,961.52/2,195,380.40
  6. Step 6: Final answer
    x = 2,450,526.14

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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.