Home / 2,170,416.04-3,253,697.57-821,638.42

Finding the Fourth Proportional to 2,170,416.04, 3,253,697.57 and 821,638.42

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Solution

The fourth proportional to 2,170,416.04, 3,253,697.57 and 821,638.42 is: 1,231,728.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170,416.04 : 3,253,697.57 = 821,638.42 : x
  2. Step 2: Convert to fraction form
    2,170,416.04/3,253,697.57 = 821,638.42/x
  3. Step 3: Cross multiply
    2,170,416.04x = 3,253,697.57 × 821,638.42
  4. Step 4: Simplify right side
    2,170,416.04x = 2,673,362,926,464.45
  5. Step 5: Solve for x
    x = 2,673,362,926,464.45/2,170,416.04
  6. Step 6: Final answer
    x = 1,231,728.33

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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.