Home / 2,171,146.40-3,256,136.40-908,712.80

Finding the Fourth Proportional to 2,171,146.40, 3,256,136.40 and 908,712.80

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Solution

The fourth proportional to 2,171,146.40, 3,256,136.40 and 908,712.80 is: 1,362,825.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,146.40 : 3,256,136.40 = 908,712.80 : x
  2. Step 2: Convert to fraction form
    2,171,146.40/3,256,136.40 = 908,712.80/x
  3. Step 3: Cross multiply
    2,171,146.40x = 3,256,136.40 × 908,712.80
  4. Step 4: Simplify right side
    2,171,146.40x = 2,958,892,825,225.92
  5. Step 5: Solve for x
    x = 2,958,892,825,225.92/2,171,146.40
  6. Step 6: Final answer
    x = 1,362,825.11

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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.