Home / 2,308,121-3,185,217.55-1,261,563.79

Finding the Fourth Proportional to 2,308,121, 3,185,217.55 and 1,261,563.79

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Solution

The fourth proportional to 2,308,121, 3,185,217.55 and 1,261,563.79 is: 1,740,963.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,308,121 : 3,185,217.55 = 1,261,563.79 : x
  2. Step 2: Convert to fraction form
    2,308,121/3,185,217.55 = 1,261,563.79/x
  3. Step 3: Cross multiply
    2,308,121x = 3,185,217.55 × 1,261,563.79
  4. Step 4: Simplify right side
    2,308,121x = 4,018,355,124,352.51
  5. Step 5: Solve for x
    x = 4,018,355,124,352.51/2,308,121
  6. Step 6: Final answer
    x = 1,740,963.81

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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.