Home / 3,621,861.05-5,433,447.68-1,820,210.45

Finding the Fourth Proportional to 3,621,861.05, 5,433,447.68 and 1,820,210.45

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Solution

The fourth proportional to 3,621,861.05, 5,433,447.68 and 1,820,210.45 is: 2,730,645.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621,861.05 : 5,433,447.68 = 1,820,210.45 : x
  2. Step 2: Convert to fraction form
    3,621,861.05/5,433,447.68 = 1,820,210.45/x
  3. Step 3: Cross multiply
    3,621,861.05x = 5,433,447.68 × 1,820,210.45
  4. Step 4: Simplify right side
    3,621,861.05x = 9,890,018,237,563.20
  5. Step 5: Solve for x
    x = 9,890,018,237,563.20/3,621,861.05
  6. Step 6: Final answer
    x = 2,730,645.41

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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.