Home / 3,220,858-4,444,840.20-1,770,614.56

Finding the Fourth Proportional to 3,220,858, 4,444,840.20 and 1,770,614.56

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Solution

The fourth proportional to 3,220,858, 4,444,840.20 and 1,770,614.56 is: 2,443,478.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220,858 : 4,444,840.20 = 1,770,614.56 : x
  2. Step 2: Convert to fraction form
    3,220,858/4,444,840.20 = 1,770,614.56/x
  3. Step 3: Cross multiply
    3,220,858x = 4,444,840.20 × 1,770,614.56
  4. Step 4: Simplify right side
    3,220,858x = 7,870,098,774,993.31
  5. Step 5: Solve for x
    x = 7,870,098,774,993.31/3,220,858
  6. Step 6: Final answer
    x = 2,443,478.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.