Home / 2,190,922.20-3,286,728.90-695,165.40

Finding the Fourth Proportional to 2,190,922.20, 3,286,728.90 and 695,165.40

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Solution

The fourth proportional to 2,190,922.20, 3,286,728.90 and 695,165.40 is: 1,042,857.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,922.20 : 3,286,728.90 = 695,165.40 : x
  2. Step 2: Convert to fraction form
    2,190,922.20/3,286,728.90 = 695,165.40/x
  3. Step 3: Cross multiply
    2,190,922.20x = 3,286,728.90 × 695,165.40
  4. Step 4: Simplify right side
    2,190,922.20x = 2,284,820,210,460.06
  5. Step 5: Solve for x
    x = 2,284,820,210,460.06/2,190,922.20
  6. Step 6: Final answer
    x = 1,042,857.76

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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.