Home / 2,540,229.78-3,505,389.03-1,507,782.63

Finding the Fourth Proportional to 2,540,229.78, 3,505,389.03 and 1,507,782.63

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Solution

The fourth proportional to 2,540,229.78, 3,505,389.03 and 1,507,782.63 is: 2,080,664.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540,229.78 : 3,505,389.03 = 1,507,782.63 : x
  2. Step 2: Convert to fraction form
    2,540,229.78/3,505,389.03 = 1,507,782.63/x
  3. Step 3: Cross multiply
    2,540,229.78x = 3,505,389.03 × 1,507,782.63
  4. Step 4: Simplify right side
    2,540,229.78x = 5,285,364,690,826.55
  5. Step 5: Solve for x
    x = 5,285,364,690,826.55/2,540,229.78
  6. Step 6: Final answer
    x = 2,080,664.01

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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.