Home / 6,920,365.28-10,380,510.30-2,821,670.42

Finding the Fourth Proportional to 6,920,365.28, 10,380,510.30 and 2,821,670.42

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Solution

The fourth proportional to 6,920,365.28, 10,380,510.30 and 2,821,670.42 is: 4,232,490.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920,365.28 : 10,380,510.30 = 2,821,670.42 : x
  2. Step 2: Convert to fraction form
    6,920,365.28/10,380,510.30 = 2,821,670.42/x
  3. Step 3: Cross multiply
    6,920,365.28x = 10,380,510.30 × 2,821,670.42
  4. Step 4: Simplify right side
    6,920,365.28x = 29,290,378,858,015.33
  5. Step 5: Solve for x
    x = 29,290,378,858,015.33/6,920,365.28
  6. Step 6: Final answer
    x = 4,232,490.29

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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.