Home / 2,759,112.87-4,139,292.23-840,195.75

Finding the Fourth Proportional to 2,759,112.87, 4,139,292.23 and 840,195.75

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Solution

The fourth proportional to 2,759,112.87, 4,139,292.23 and 840,195.75 is: 1,260,483.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,759,112.87 : 4,139,292.23 = 840,195.75 : x
  2. Step 2: Convert to fraction form
    2,759,112.87/4,139,292.23 = 840,195.75/x
  3. Step 3: Cross multiply
    2,759,112.87x = 4,139,292.23 × 840,195.75
  4. Step 4: Simplify right side
    2,759,112.87x = 3,477,815,735,453.04
  5. Step 5: Solve for x
    x = 3,477,815,735,453.04/2,759,112.87
  6. Step 6: Final answer
    x = 1,260,483.31

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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.