Home / 6,179,865.40-9,269,815.38-1,920,656.44

Finding the Fourth Proportional to 6,179,865.40, 9,269,815.38 and 1,920,656.44

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Solution

The fourth proportional to 6,179,865.40, 9,269,815.38 and 1,920,656.44 is: 2,880,990.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,179,865.40 : 9,269,815.38 = 1,920,656.44 : x
  2. Step 2: Convert to fraction form
    6,179,865.40/9,269,815.38 = 1,920,656.44/x
  3. Step 3: Cross multiply
    6,179,865.40x = 9,269,815.38 × 1,920,656.44
  4. Step 4: Simplify right side
    6,179,865.40x = 17,804,130,607,208.05
  5. Step 5: Solve for x
    x = 17,804,130,607,208.05/6,179,865.40
  6. Step 6: Final answer
    x = 2,880,990.03

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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.