Home / 3,738,205.65-5,158,728.41-2,019,326.19

Finding the Fourth Proportional to 3,738,205.65, 5,158,728.41 and 2,019,326.19

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Solution

The fourth proportional to 3,738,205.65, 5,158,728.41 and 2,019,326.19 is: 2,786,672.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738,205.65 : 5,158,728.41 = 2,019,326.19 : x
  2. Step 2: Convert to fraction form
    3,738,205.65/5,158,728.41 = 2,019,326.19/x
  3. Step 3: Cross multiply
    3,738,205.65x = 5,158,728.41 × 2,019,326.19
  4. Step 4: Simplify right side
    3,738,205.65x = 10,417,155,355,968.20
  5. Step 5: Solve for x
    x = 10,417,155,355,968.20/3,738,205.65
  6. Step 6: Final answer
    x = 2,786,672.62

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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.