Home / 2,891,907.66-3,990,832.94-1,602,831.26

Finding the Fourth Proportional to 2,891,907.66, 3,990,832.94 and 1,602,831.26

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Solution

The fourth proportional to 2,891,907.66, 3,990,832.94 and 1,602,831.26 is: 2,211,907.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,907.66 : 3,990,832.94 = 1,602,831.26 : x
  2. Step 2: Convert to fraction form
    2,891,907.66/3,990,832.94 = 1,602,831.26/x
  3. Step 3: Cross multiply
    2,891,907.66x = 3,990,832.94 × 1,602,831.26
  4. Step 4: Simplify right side
    2,891,907.66x = 6,396,631,789,669.70
  5. Step 5: Solve for x
    x = 6,396,631,789,669.70/2,891,907.66
  6. Step 6: Final answer
    x = 2,211,907.34

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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.