Home / 2,185,506.30-3,281,211.90-1,388,344.80

Finding the Fourth Proportional to 2,185,506.30, 3,281,211.90 and 1,388,344.80

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Solution

The fourth proportional to 2,185,506.30, 3,281,211.90 and 1,388,344.80 is: 2,084,392.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,506.30 : 3,281,211.90 = 1,388,344.80 : x
  2. Step 2: Convert to fraction form
    2,185,506.30/3,281,211.90 = 1,388,344.80/x
  3. Step 3: Cross multiply
    2,185,506.30x = 3,281,211.90 × 1,388,344.80
  4. Step 4: Simplify right side
    2,185,506.30x = 4,555,453,479,063.12
  5. Step 5: Solve for x
    x = 4,555,453,479,063.12/2,185,506.30
  6. Step 6: Final answer
    x = 2,084,392.75

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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.