Home / 2,590,129.80-3,885,194.70-1,582,360.20

Finding the Fourth Proportional to 2,590,129.80, 3,885,194.70 and 1,582,360.20

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Solution

The fourth proportional to 2,590,129.80, 3,885,194.70 and 1,582,360.20 is: 2,373,540.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590,129.80 : 3,885,194.70 = 1,582,360.20 : x
  2. Step 2: Convert to fraction form
    2,590,129.80/3,885,194.70 = 1,582,360.20/x
  3. Step 3: Cross multiply
    2,590,129.80x = 3,885,194.70 × 1,582,360.20
  4. Step 4: Simplify right side
    2,590,129.80x = 6,147,777,462,530.94
  5. Step 5: Solve for x
    x = 6,147,777,462,530.94/2,590,129.80
  6. Step 6: Final answer
    x = 2,373,540.30

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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.