Home / 3,109,143.40-4,660,177.39-1,892,035.65

Finding the Fourth Proportional to 3,109,143.40, 4,660,177.39 and 1,892,035.65

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Solution

The fourth proportional to 3,109,143.40, 4,660,177.39 and 1,892,035.65 is: 2,835,900.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,143.40 : 4,660,177.39 = 1,892,035.65 : x
  2. Step 2: Convert to fraction form
    3,109,143.40/4,660,177.39 = 1,892,035.65/x
  3. Step 3: Cross multiply
    3,109,143.40x = 4,660,177.39 × 1,892,035.65
  4. Step 4: Simplify right side
    3,109,143.40x = 8,817,221,757,203.95
  5. Step 5: Solve for x
    x = 8,817,221,757,203.95/3,109,143.40
  6. Step 6: Final answer
    x = 2,835,900.64

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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.