Home / 1,970,394.81-2,719,144.13-1,064,976.81

Finding the Fourth Proportional to 1,970,394.81, 2,719,144.13 and 1,064,976.81

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Solution

The fourth proportional to 1,970,394.81, 2,719,144.13 and 1,064,976.81 is: 1,469,667.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970,394.81 : 2,719,144.13 = 1,064,976.81 : x
  2. Step 2: Convert to fraction form
    1,970,394.81/2,719,144.13 = 1,064,976.81/x
  3. Step 3: Cross multiply
    1,970,394.81x = 2,719,144.13 × 1,064,976.81
  4. Step 4: Simplify right side
    1,970,394.81x = 2,895,825,436,172.74
  5. Step 5: Solve for x
    x = 2,895,825,436,172.74/1,970,394.81
  6. Step 6: Final answer
    x = 1,469,667.61

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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.