Home / 2,308,357.09-3,185,433.84-1,275,811.51

Finding the Fourth Proportional to 2,308,357.09, 3,185,433.84 and 1,275,811.51

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Solution

The fourth proportional to 2,308,357.09, 3,185,433.84 and 1,275,811.51 is: 1,760,565.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,308,357.09 : 3,185,433.84 = 1,275,811.51 : x
  2. Step 2: Convert to fraction form
    2,308,357.09/3,185,433.84 = 1,275,811.51/x
  3. Step 3: Cross multiply
    2,308,357.09x = 3,185,433.84 × 1,275,811.51
  4. Step 4: Simplify right side
    2,308,357.09x = 4,064,013,160,208.90
  5. Step 5: Solve for x
    x = 4,064,013,160,208.90/2,308,357.09
  6. Step 6: Final answer
    x = 1,760,565.20

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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.