Home / 1,940,946.81-2,678,470.43-1,081,488.57

Finding the Fourth Proportional to 1,940,946.81, 2,678,470.43 and 1,081,488.57

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Solution

The fourth proportional to 1,940,946.81, 2,678,470.43 and 1,081,488.57 is: 1,492,434.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,946.81 : 2,678,470.43 = 1,081,488.57 : x
  2. Step 2: Convert to fraction form
    1,940,946.81/2,678,470.43 = 1,081,488.57/x
  3. Step 3: Cross multiply
    1,940,946.81x = 2,678,470.43 × 1,081,488.57
  4. Step 4: Simplify right side
    1,940,946.81x = 2,896,735,149,720.54
  5. Step 5: Solve for x
    x = 2,896,735,149,720.54/1,940,946.81
  6. Step 6: Final answer
    x = 1,492,434.07

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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.