Home / 3,621,405.90-5,430,140.55-1,491,705.30

Finding the Fourth Proportional to 3,621,405.90, 5,430,140.55 and 1,491,705.30

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Solution

The fourth proportional to 3,621,405.90, 5,430,140.55 and 1,491,705.30 is: 2,236,747.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621,405.90 : 5,430,140.55 = 1,491,705.30 : x
  2. Step 2: Convert to fraction form
    3,621,405.90/5,430,140.55 = 1,491,705.30/x
  3. Step 3: Cross multiply
    3,621,405.90x = 5,430,140.55 × 1,491,705.30
  4. Step 4: Simplify right side
    3,621,405.90x = 8,100,169,438,179.92
  5. Step 5: Solve for x
    x = 8,100,169,438,179.92/3,621,405.90
  6. Step 6: Final answer
    x = 2,236,747.18

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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.