Home / 2,819,146.88-3,889,859.88-1,715,839.28

Finding the Fourth Proportional to 2,819,146.88, 3,889,859.88 and 1,715,839.28

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Solution

The fourth proportional to 2,819,146.88, 3,889,859.88 and 1,715,839.28 is: 2,367,515.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,146.88 : 3,889,859.88 = 1,715,839.28 : x
  2. Step 2: Convert to fraction form
    2,819,146.88/3,889,859.88 = 1,715,839.28/x
  3. Step 3: Cross multiply
    2,819,146.88x = 3,889,859.88 × 1,715,839.28
  4. Step 4: Simplify right side
    2,819,146.88x = 6,674,374,375,800.09
  5. Step 5: Solve for x
    x = 6,674,374,375,800.09/2,819,146.88
  6. Step 6: Final answer
    x = 2,367,515.66

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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.