Home / 1,656,697.20-2,481,403.28-1,369,128.56

Finding the Fourth Proportional to 1,656,697.20, 2,481,403.28 and 1,369,128.56

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Solution

The fourth proportional to 1,656,697.20, 2,481,403.28 and 1,369,128.56 is: 2,050,682.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,697.20 : 2,481,403.28 = 1,369,128.56 : x
  2. Step 2: Convert to fraction form
    1,656,697.20/2,481,403.28 = 1,369,128.56/x
  3. Step 3: Cross multiply
    1,656,697.20x = 2,481,403.28 × 1,369,128.56
  4. Step 4: Simplify right side
    1,656,697.20x = 3,397,360,099,525.68
  5. Step 5: Solve for x
    x = 3,397,360,099,525.68/1,656,697.20
  6. Step 6: Final answer
    x = 2,050,682.59

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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.