Home / 2,759,109.12-4,139,286.60-840,192

Finding the Fourth Proportional to 2,759,109.12, 4,139,286.60 and 840,192

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Solution

The fourth proportional to 2,759,109.12, 4,139,286.60 and 840,192 is: 1,260,477.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,759,109.12 : 4,139,286.60 = 840,192 : x
  2. Step 2: Convert to fraction form
    2,759,109.12/4,139,286.60 = 840,192/x
  3. Step 3: Cross multiply
    2,759,109.12x = 4,139,286.60 × 840,192
  4. Step 4: Simplify right side
    2,759,109.12x = 3,477,795,487,027.20
  5. Step 5: Solve for x
    x = 3,477,795,487,027.20/2,759,109.12
  6. Step 6: Final answer
    x = 1,260,477.69

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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.