Home / 1,792,822.40-2,690,702.40-1,778,825.60

Finding the Fourth Proportional to 1,792,822.40, 2,690,702.40 and 1,778,825.60

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Solution

The fourth proportional to 1,792,822.40, 2,690,702.40 and 1,778,825.60 is: 2,669,695.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,792,822.40 : 2,690,702.40 = 1,778,825.60 : x
  2. Step 2: Convert to fraction form
    1,792,822.40/2,690,702.40 = 1,778,825.60/x
  3. Step 3: Cross multiply
    1,792,822.40x = 2,690,702.40 × 1,778,825.60
  4. Step 4: Simplify right side
    1,792,822.40x = 4,786,290,311,101.44
  5. Step 5: Solve for x
    x = 4,786,290,311,101.44/1,792,822.40
  6. Step 6: Final answer
    x = 2,669,695.73

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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.