Home / 1,651,812.91-2,280,478.98-1,040,489.71

Finding the Fourth Proportional to 1,651,812.91, 2,280,478.98 and 1,040,489.71

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Solution

The fourth proportional to 1,651,812.91, 2,280,478.98 and 1,040,489.71 is: 1,436,491.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,651,812.91 : 2,280,478.98 = 1,040,489.71 : x
  2. Step 2: Convert to fraction form
    1,651,812.91/2,280,478.98 = 1,040,489.71/x
  3. Step 3: Cross multiply
    1,651,812.91x = 2,280,478.98 × 1,040,489.71
  4. Step 4: Simplify right side
    1,651,812.91x = 2,372,814,912,561.30
  5. Step 5: Solve for x
    x = 2,372,814,912,561.30/1,651,812.91
  6. Step 6: Final answer
    x = 1,436,491.32

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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.