Home / 2,051,257.40-3,079,656.30-1,199,202.20

Finding the Fourth Proportional to 2,051,257.40, 3,079,656.30 and 1,199,202.20

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Solution

The fourth proportional to 2,051,257.40, 3,079,656.30 and 1,199,202.20 is: 1,800,422.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,051,257.40 : 3,079,656.30 = 1,199,202.20 : x
  2. Step 2: Convert to fraction form
    2,051,257.40/3,079,656.30 = 1,199,202.20/x
  3. Step 3: Cross multiply
    2,051,257.40x = 3,079,656.30 × 1,199,202.20
  4. Step 4: Simplify right side
    2,051,257.40x = 3,693,130,610,203.86
  5. Step 5: Solve for x
    x = 3,693,130,610,203.86/2,051,257.40
  6. Step 6: Final answer
    x = 1,800,422.81

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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.