Home / 2,891,907.90-3,990,833.35-1,602,831.51

Finding the Fourth Proportional to 2,891,907.90, 3,990,833.35 and 1,602,831.51

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Solution

The fourth proportional to 2,891,907.90, 3,990,833.35 and 1,602,831.51 is: 2,211,907.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,907.90 : 3,990,833.35 = 1,602,831.51 : x
  2. Step 2: Convert to fraction form
    2,891,907.90/3,990,833.35 = 1,602,831.51/x
  3. Step 3: Cross multiply
    2,891,907.90x = 3,990,833.35 × 1,602,831.51
  4. Step 4: Simplify right side
    2,891,907.90x = 6,396,633,440,531.78
  5. Step 5: Solve for x
    x = 6,396,633,440,531.78/2,891,907.90
  6. Step 6: Final answer
    x = 2,211,907.73

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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.