Home / 3,143,109.30-4,707,665.55-2,723,205.30

Finding the Fourth Proportional to 3,143,109.30, 4,707,665.55 and 2,723,205.30

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Solution

The fourth proportional to 3,143,109.30, 4,707,665.55 and 2,723,205.30 is: 4,078,744.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143,109.30 : 4,707,665.55 = 2,723,205.30 : x
  2. Step 2: Convert to fraction form
    3,143,109.30/4,707,665.55 = 2,723,205.30/x
  3. Step 3: Cross multiply
    3,143,109.30x = 4,707,665.55 × 2,723,205.30
  4. Step 4: Simplify right side
    3,143,109.30x = 12,819,939,776,387.41
  5. Step 5: Solve for x
    x = 12,819,939,776,387.41/3,143,109.30
  6. Step 6: Final answer
    x = 4,078,744.50

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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.