Home / 2,128,221.05-2,937,007.52-1,161,413.73

Finding the Fourth Proportional to 2,128,221.05, 2,937,007.52 and 1,161,413.73

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Solution

The fourth proportional to 2,128,221.05, 2,937,007.52 and 1,161,413.73 is: 1,602,785.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,221.05 : 2,937,007.52 = 1,161,413.73 : x
  2. Step 2: Convert to fraction form
    2,128,221.05/2,937,007.52 = 1,161,413.73/x
  3. Step 3: Cross multiply
    2,128,221.05x = 2,937,007.52 × 1,161,413.73
  4. Step 4: Simplify right side
    2,128,221.05x = 3,411,080,858,841.25
  5. Step 5: Solve for x
    x = 3,411,080,858,841.25/2,128,221.05
  6. Step 6: Final answer
    x = 1,602,785.04

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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.