Home / 2,128,124.80-3,192,190.98-1,704,356.02

Finding the Fourth Proportional to 2,128,124.80, 3,192,190.98 and 1,704,356.02

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Solution

The fourth proportional to 2,128,124.80, 3,192,190.98 and 1,704,356.02 is: 2,556,537.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,124.80 : 3,192,190.98 = 1,704,356.02 : x
  2. Step 2: Convert to fraction form
    2,128,124.80/3,192,190.98 = 1,704,356.02/x
  3. Step 3: Cross multiply
    2,128,124.80x = 3,192,190.98 × 1,704,356.02
  4. Step 4: Simplify right side
    2,128,124.80x = 5,440,629,913,752.70
  5. Step 5: Solve for x
    x = 5,440,629,913,752.70/2,128,124.80
  6. Step 6: Final answer
    x = 2,556,537.06

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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.