Home / 2,840,965.59-3,919,560-1,616,964.54

Finding the Fourth Proportional to 2,840,965.59, 3,919,560 and 1,616,964.54

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Solution

The fourth proportional to 2,840,965.59, 3,919,560 and 1,616,964.54 is: 2,230,857.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840,965.59 : 3,919,560 = 1,616,964.54 : x
  2. Step 2: Convert to fraction form
    2,840,965.59/3,919,560 = 1,616,964.54/x
  3. Step 3: Cross multiply
    2,840,965.59x = 3,919,560 × 1,616,964.54
  4. Step 4: Simplify right side
    2,840,965.59x = 6,337,789,532,402.40
  5. Step 5: Solve for x
    x = 6,337,789,532,402.40/2,840,965.59
  6. Step 6: Final answer
    x = 2,230,857.55

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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.