Home / 2,631,293.28-3,631,289.04-1,485,413.28

Finding the Fourth Proportional to 2,631,293.28, 3,631,289.04 and 1,485,413.28

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Solution

The fourth proportional to 2,631,293.28, 3,631,289.04 and 1,485,413.28 is: 2,049,929.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631,293.28 : 3,631,289.04 = 1,485,413.28 : x
  2. Step 2: Convert to fraction form
    2,631,293.28/3,631,289.04 = 1,485,413.28/x
  3. Step 3: Cross multiply
    2,631,293.28x = 3,631,289.04 × 1,485,413.28
  4. Step 4: Simplify right side
    2,631,293.28x = 5,393,964,963,534.45
  5. Step 5: Solve for x
    x = 5,393,964,963,534.45/2,631,293.28
  6. Step 6: Final answer
    x = 2,049,929.21

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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.