Home / 2,171,108.40-3,256,079.40-908,674.80

Finding the Fourth Proportional to 2,171,108.40, 3,256,079.40 and 908,674.80

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Solution

The fourth proportional to 2,171,108.40, 3,256,079.40 and 908,674.80 is: 1,362,768.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,108.40 : 3,256,079.40 = 908,674.80 : x
  2. Step 2: Convert to fraction form
    2,171,108.40/3,256,079.40 = 908,674.80/x
  3. Step 3: Cross multiply
    2,171,108.40x = 3,256,079.40 × 908,674.80
  4. Step 4: Simplify right side
    2,171,108.40x = 2,958,717,297,579.12
  5. Step 5: Solve for x
    x = 2,958,717,297,579.12/2,171,108.40
  6. Step 6: Final answer
    x = 1,362,768.11

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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.