Home / 5,410,271.88-8,115,949.71-1,999,455.03

Finding the Fourth Proportional to 5,410,271.88, 8,115,949.71 and 1,999,455.03

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Solution

The fourth proportional to 5,410,271.88, 8,115,949.71 and 1,999,455.03 is: 2,999,382.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,410,271.88 : 8,115,949.71 = 1,999,455.03 : x
  2. Step 2: Convert to fraction form
    5,410,271.88/8,115,949.71 = 1,999,455.03/x
  3. Step 3: Cross multiply
    5,410,271.88x = 8,115,949.71 × 1,999,455.03
  4. Step 4: Simplify right side
    5,410,271.88x = 16,227,476,470,886.54
  5. Step 5: Solve for x
    x = 16,227,476,470,886.54/5,410,271.88
  6. Step 6: Final answer
    x = 2,999,382.81

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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.