Home / 1,861,798.38-2,569,315.78-1,034,949.57

Finding the Fourth Proportional to 1,861,798.38, 2,569,315.78 and 1,034,949.57

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Solution

The fourth proportional to 1,861,798.38, 2,569,315.78 and 1,034,949.57 is: 1,428,249.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,798.38 : 2,569,315.78 = 1,034,949.57 : x
  2. Step 2: Convert to fraction form
    1,861,798.38/2,569,315.78 = 1,034,949.57/x
  3. Step 3: Cross multiply
    1,861,798.38x = 2,569,315.78 × 1,034,949.57
  4. Step 4: Simplify right side
    1,861,798.38x = 2,659,112,261,705.21
  5. Step 5: Solve for x
    x = 2,659,112,261,705.21/1,861,798.38
  6. Step 6: Final answer
    x = 1,428,249.32

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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.