Home / 3,103,968.78-4,283,413.47-1,943,055.32

Finding the Fourth Proportional to 3,103,968.78, 4,283,413.47 and 1,943,055.32

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Solution

The fourth proportional to 3,103,968.78, 4,283,413.47 and 1,943,055.32 is: 2,681,376.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103,968.78 : 4,283,413.47 = 1,943,055.32 : x
  2. Step 2: Convert to fraction form
    3,103,968.78/4,283,413.47 = 1,943,055.32/x
  3. Step 3: Cross multiply
    3,103,968.78x = 4,283,413.47 × 1,943,055.32
  4. Step 4: Simplify right side
    3,103,968.78x = 8,322,909,309,226.09
  5. Step 5: Solve for x
    x = 8,322,909,309,226.09/3,103,968.78
  6. Step 6: Final answer
    x = 2,681,376.62

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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.