Home / 3,879,917.28-5,819,887.44-1,355,572.80

Finding the Fourth Proportional to 3,879,917.28, 5,819,887.44 and 1,355,572.80

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Solution

The fourth proportional to 3,879,917.28, 5,819,887.44 and 1,355,572.80 is: 2,033,363.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879,917.28 : 5,819,887.44 = 1,355,572.80 : x
  2. Step 2: Convert to fraction form
    3,879,917.28/5,819,887.44 = 1,355,572.80/x
  3. Step 3: Cross multiply
    3,879,917.28x = 5,819,887.44 × 1,355,572.80
  4. Step 4: Simplify right side
    3,879,917.28x = 7,889,281,112,725.63
  5. Step 5: Solve for x
    x = 7,889,281,112,725.63/3,879,917.28
  6. Step 6: Final answer
    x = 2,033,363.22

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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.