Home / 3,820,120.48-5,729,557.69-1,123,815.07

Finding the Fourth Proportional to 3,820,120.48, 5,729,557.69 and 1,123,815.07

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Solution

The fourth proportional to 3,820,120.48, 5,729,557.69 and 1,123,815.07 is: 1,685,539.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820,120.48 : 5,729,557.69 = 1,123,815.07 : x
  2. Step 2: Convert to fraction form
    3,820,120.48/5,729,557.69 = 1,123,815.07/x
  3. Step 3: Cross multiply
    3,820,120.48x = 5,729,557.69 × 1,123,815.07
  4. Step 4: Simplify right side
    3,820,120.48x = 6,438,963,276,456.39
  5. Step 5: Solve for x
    x = 6,438,963,276,456.39/3,820,120.48
  6. Step 6: Final answer
    x = 1,685,539.32

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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.