Home / 3,621,835.80-5,433,409.80-1,820,185.20

Finding the Fourth Proportional to 3,621,835.80, 5,433,409.80 and 1,820,185.20

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Solution

The fourth proportional to 3,621,835.80, 5,433,409.80 and 1,820,185.20 is: 2,730,607.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621,835.80 : 5,433,409.80 = 1,820,185.20 : x
  2. Step 2: Convert to fraction form
    3,621,835.80/5,433,409.80 = 1,820,185.20/x
  3. Step 3: Cross multiply
    3,621,835.80x = 5,433,409.80 × 1,820,185.20
  4. Step 4: Simplify right side
    3,621,835.80x = 9,889,812,103,494.96
  5. Step 5: Solve for x
    x = 9,889,812,103,494.96/3,621,835.80
  6. Step 6: Final answer
    x = 2,730,607.53

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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.