Home / 3,141,570.05-4,707,926.40-1,939,922.90

Finding the Fourth Proportional to 3,141,570.05, 4,707,926.40 and 1,939,922.90

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Solution

The fourth proportional to 3,141,570.05, 4,707,926.40 and 1,939,922.90 is: 2,907,149.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141,570.05 : 4,707,926.40 = 1,939,922.90 : x
  2. Step 2: Convert to fraction form
    3,141,570.05/4,707,926.40 = 1,939,922.90/x
  3. Step 3: Cross multiply
    3,141,570.05x = 4,707,926.40 × 1,939,922.90
  4. Step 4: Simplify right side
    3,141,570.05x = 9,133,014,234,874.56
  5. Step 5: Solve for x
    x = 9,133,014,234,874.56/3,141,570.05
  6. Step 6: Final answer
    x = 2,907,149.64

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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.