Home / 2,142,512.96-3,213,768.48-812,816.96

Finding the Fourth Proportional to 2,142,512.96, 3,213,768.48 and 812,816.96

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Solution

The fourth proportional to 2,142,512.96, 3,213,768.48 and 812,816.96 is: 1,219,225.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,512.96 : 3,213,768.48 = 812,816.96 : x
  2. Step 2: Convert to fraction form
    2,142,512.96/3,213,768.48 = 812,816.96/x
  3. Step 3: Cross multiply
    2,142,512.96x = 3,213,768.48 × 812,816.96
  4. Step 4: Simplify right side
    2,142,512.96x = 2,612,205,526,057.42
  5. Step 5: Solve for x
    x = 2,612,205,526,057.42/2,142,512.96
  6. Step 6: Final answer
    x = 1,219,225.08

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1.5x scale

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.