Home / 3,947,285.76-5,447,386.24-2,419,097.60

Finding the Fourth Proportional to 3,947,285.76, 5,447,386.24 and 2,419,097.60

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Solution

The fourth proportional to 3,947,285.76, 5,447,386.24 and 2,419,097.60 is: 3,338,435.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947,285.76 : 5,447,386.24 = 2,419,097.60 : x
  2. Step 2: Convert to fraction form
    3,947,285.76/5,447,386.24 = 2,419,097.60/x
  3. Step 3: Cross multiply
    3,947,285.76x = 5,447,386.24 × 2,419,097.60
  4. Step 4: Simplify right side
    3,947,285.76x = 13,177,758,979,457.03
  5. Step 5: Solve for x
    x = 13,177,758,979,457.03/3,947,285.76
  6. Step 6: Final answer
    x = 3,338,435.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.