Home / 2,088,271.20-3,132,406.80-1,424,719.20

Finding the Fourth Proportional to 2,088,271.20, 3,132,406.80 and 1,424,719.20

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Solution

The fourth proportional to 2,088,271.20, 3,132,406.80 and 1,424,719.20 is: 2,137,078.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088,271.20 : 3,132,406.80 = 1,424,719.20 : x
  2. Step 2: Convert to fraction form
    2,088,271.20/3,132,406.80 = 1,424,719.20/x
  3. Step 3: Cross multiply
    2,088,271.20x = 3,132,406.80 × 1,424,719.20
  4. Step 4: Simplify right side
    2,088,271.20x = 4,462,800,110,170.56
  5. Step 5: Solve for x
    x = 4,462,800,110,170.56/2,088,271.20
  6. Step 6: Final answer
    x = 2,137,078.80

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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.