Home / 1,616,145.35-2,230,213.40-881,083.71

Finding the Fourth Proportional to 1,616,145.35, 2,230,213.40 and 881,083.71

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Solution

The fourth proportional to 1,616,145.35, 2,230,213.40 and 881,083.71 is: 1,215,858.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,145.35 : 2,230,213.40 = 881,083.71 : x
  2. Step 2: Convert to fraction form
    1,616,145.35/2,230,213.40 = 881,083.71/x
  3. Step 3: Cross multiply
    1,616,145.35x = 2,230,213.40 × 881,083.71
  4. Step 4: Simplify right side
    1,616,145.35x = 1,965,004,695,462.36
  5. Step 5: Solve for x
    x = 1,965,004,695,462.36/1,616,145.35
  6. Step 6: Final answer
    x = 1,215,858.90

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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.