Home / 3,111,314.46-4,292,087.88-2,079,075.66

Finding the Fourth Proportional to 3,111,314.46, 4,292,087.88 and 2,079,075.66

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Solution

The fourth proportional to 3,111,314.46, 4,292,087.88 and 2,079,075.66 is: 2,868,104.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111,314.46 : 4,292,087.88 = 2,079,075.66 : x
  2. Step 2: Convert to fraction form
    3,111,314.46/4,292,087.88 = 2,079,075.66/x
  3. Step 3: Cross multiply
    3,111,314.46x = 4,292,087.88 × 2,079,075.66
  4. Step 4: Simplify right side
    3,111,314.46x = 8,923,575,441,889
  5. Step 5: Solve for x
    x = 8,923,575,441,889/3,111,314.46
  6. Step 6: Final answer
    x = 2,868,104.64

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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.