Home / 2,918,405.16-4,027,438.94-1,611,745.32

Finding the Fourth Proportional to 2,918,405.16, 4,027,438.94 and 1,611,745.32

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Solution

The fourth proportional to 2,918,405.16, 4,027,438.94 and 1,611,745.32 is: 2,224,230.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918,405.16 : 4,027,438.94 = 1,611,745.32 : x
  2. Step 2: Convert to fraction form
    2,918,405.16/4,027,438.94 = 1,611,745.32/x
  3. Step 3: Cross multiply
    2,918,405.16x = 4,027,438.94 × 1,611,745.32
  4. Step 4: Simplify right side
    2,918,405.16x = 6,491,205,855,072.03
  5. Step 5: Solve for x
    x = 6,491,205,855,072.03/2,918,405.16
  6. Step 6: Final answer
    x = 2,224,230.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.