Home / 1,577,106.30-2,365,659.45-1,325,163.90

Finding the Fourth Proportional to 1,577,106.30, 2,365,659.45 and 1,325,163.90

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Solution

The fourth proportional to 1,577,106.30, 2,365,659.45 and 1,325,163.90 is: 1,987,745.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,106.30 : 2,365,659.45 = 1,325,163.90 : x
  2. Step 2: Convert to fraction form
    1,577,106.30/2,365,659.45 = 1,325,163.90/x
  3. Step 3: Cross multiply
    1,577,106.30x = 2,365,659.45 × 1,325,163.90
  4. Step 4: Simplify right side
    1,577,106.30x = 3,134,886,502,833.86
  5. Step 5: Solve for x
    x = 3,134,886,502,833.86/1,577,106.30
  6. Step 6: Final answer
    x = 1,987,745.85

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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.