Home / 2,190,936.60-3,286,404.90-1,246,152.60

Finding the Fourth Proportional to 2,190,936.60, 3,286,404.90 and 1,246,152.60

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Solution

The fourth proportional to 2,190,936.60, 3,286,404.90 and 1,246,152.60 is: 1,869,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,936.60 : 3,286,404.90 = 1,246,152.60 : x
  2. Step 2: Convert to fraction form
    2,190,936.60/3,286,404.90 = 1,246,152.60/x
  3. Step 3: Cross multiply
    2,190,936.60x = 3,286,404.90 × 1,246,152.60
  4. Step 4: Simplify right side
    2,190,936.60x = 4,095,362,010,787.74
  5. Step 5: Solve for x
    x = 4,095,362,010,787.74/2,190,936.60
  6. Step 6: Final answer
    x = 1,869,228.90

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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.