Home / 4,990,474.80-7,480,502.28-3,620,939.76

Finding the Fourth Proportional to 4,990,474.80, 7,480,502.28 and 3,620,939.76

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Solution

The fourth proportional to 4,990,474.80, 7,480,502.28 and 3,620,939.76 is: 5,427,629.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990,474.80 : 7,480,502.28 = 3,620,939.76 : x
  2. Step 2: Convert to fraction form
    4,990,474.80/7,480,502.28 = 3,620,939.76/x
  3. Step 3: Cross multiply
    4,990,474.80x = 7,480,502.28 × 3,620,939.76
  4. Step 4: Simplify right side
    4,990,474.80x = 27,086,448,130,422.65
  5. Step 5: Solve for x
    x = 27,086,448,130,422.65/4,990,474.80
  6. Step 6: Final answer
    x = 5,427,629.48

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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.