Home / 2,140,070.22-3,209,172.12-809,441.10

Finding the Fourth Proportional to 2,140,070.22, 3,209,172.12 and 809,441.10

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Solution

The fourth proportional to 2,140,070.22, 3,209,172.12 and 809,441.10 is: 1,213,808.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,070.22 : 3,209,172.12 = 809,441.10 : x
  2. Step 2: Convert to fraction form
    2,140,070.22/3,209,172.12 = 809,441.10/x
  3. Step 3: Cross multiply
    2,140,070.22x = 3,209,172.12 × 809,441.10
  4. Step 4: Simplify right side
    2,140,070.22x = 2,597,635,810,902.13
  5. Step 5: Solve for x
    x = 2,597,635,810,902.13/2,140,070.22
  6. Step 6: Final answer
    x = 1,213,808.68

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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.