Home / 3,064,410.72-4,228,720.94-1,687,485.32

Finding the Fourth Proportional to 3,064,410.72, 4,228,720.94 and 1,687,485.32

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Solution

The fourth proportional to 3,064,410.72, 4,228,720.94 and 1,687,485.32 is: 2,328,638.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,064,410.72 : 4,228,720.94 = 1,687,485.32 : x
  2. Step 2: Convert to fraction form
    3,064,410.72/4,228,720.94 = 1,687,485.32/x
  3. Step 3: Cross multiply
    3,064,410.72x = 4,228,720.94 × 1,687,485.32
  4. Step 4: Simplify right side
    3,064,410.72x = 7,135,904,479,045.57
  5. Step 5: Solve for x
    x = 7,135,904,479,045.57/3,064,410.72
  6. Step 6: Final answer
    x = 2,328,638.40

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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.