Home / 1,861,774.40-2,792,661.60-1,775,169.20

Finding the Fourth Proportional to 1,861,774.40, 2,792,661.60 and 1,775,169.20

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Solution

The fourth proportional to 1,861,774.40, 2,792,661.60 and 1,775,169.20 is: 2,662,753.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,774.40 : 2,792,661.60 = 1,775,169.20 : x
  2. Step 2: Convert to fraction form
    1,861,774.40/2,792,661.60 = 1,775,169.20/x
  3. Step 3: Cross multiply
    1,861,774.40x = 2,792,661.60 × 1,775,169.20
  4. Step 4: Simplify right side
    1,861,774.40x = 4,957,446,858,342.72
  5. Step 5: Solve for x
    x = 4,957,446,858,342.72/1,861,774.40
  6. Step 6: Final answer
    x = 2,662,753.80

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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.