Home / 2,128,103.80-3,192,159.35-1,704,334.89

Finding the Fourth Proportional to 2,128,103.80, 3,192,159.35 and 1,704,334.89

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Solution

The fourth proportional to 2,128,103.80, 3,192,159.35 and 1,704,334.89 is: 2,556,505.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,103.80 : 3,192,159.35 = 1,704,334.89 : x
  2. Step 2: Convert to fraction form
    2,128,103.80/3,192,159.35 = 1,704,334.89/x
  3. Step 3: Cross multiply
    2,128,103.80x = 3,192,159.35 × 1,704,334.89
  4. Step 4: Simplify right side
    2,128,103.80x = 5,440,508,554,644.72
  5. Step 5: Solve for x
    x = 5,440,508,554,644.72/2,128,103.80
  6. Step 6: Final answer
    x = 2,556,505.26

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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.