Home / 2,171,739.68-3,257,816.88-675,429.92

Finding the Fourth Proportional to 2,171,739.68, 3,257,816.88 and 675,429.92

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Solution

The fourth proportional to 2,171,739.68, 3,257,816.88 and 675,429.92 is: 1,013,209.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,739.68 : 3,257,816.88 = 675,429.92 : x
  2. Step 2: Convert to fraction form
    2,171,739.68/3,257,816.88 = 675,429.92/x
  3. Step 3: Cross multiply
    2,171,739.68x = 3,257,816.88 × 675,429.92
  4. Step 4: Simplify right side
    2,171,739.68x = 2,200,426,994,633.05
  5. Step 5: Solve for x
    x = 2,200,426,994,633.05/2,171,739.68
  6. Step 6: Final answer
    x = 1,013,209.37

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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.