Home / 3,621,836.80-5,433,411.30-1,820,186.20

Finding the Fourth Proportional to 3,621,836.80, 5,433,411.30 and 1,820,186.20

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Solution

The fourth proportional to 3,621,836.80, 5,433,411.30 and 1,820,186.20 is: 2,730,609.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621,836.80 : 5,433,411.30 = 1,820,186.20 : x
  2. Step 2: Convert to fraction form
    3,621,836.80/5,433,411.30 = 1,820,186.20/x
  3. Step 3: Cross multiply
    3,621,836.80x = 5,433,411.30 × 1,820,186.20
  4. Step 4: Simplify right side
    3,621,836.80x = 9,889,820,267,184.06
  5. Step 5: Solve for x
    x = 9,889,820,267,184.06/3,621,836.80
  6. Step 6: Final answer
    x = 2,730,609.03

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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.