Home / 1,927,043.80-2,889,413.70-1,179,626.20

Finding the Fourth Proportional to 1,927,043.80, 2,889,413.70 and 1,179,626.20

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Solution

The fourth proportional to 1,927,043.80, 2,889,413.70 and 1,179,626.20 is: 1,768,734.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927,043.80 : 2,889,413.70 = 1,179,626.20 : x
  2. Step 2: Convert to fraction form
    1,927,043.80/2,889,413.70 = 1,179,626.20/x
  3. Step 3: Cross multiply
    1,927,043.80x = 2,889,413.70 × 1,179,626.20
  4. Step 4: Simplify right side
    1,927,043.80x = 3,408,428,103,158.94
  5. Step 5: Solve for x
    x = 3,408,428,103,158.94/1,927,043.80
  6. Step 6: Final answer
    x = 1,768,734.11

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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.