Home / 3,828,642-5,283,561.38-2,109,824.02

Finding the Fourth Proportional to 3,828,642, 5,283,561.38 and 2,109,824.02

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Solution

The fourth proportional to 3,828,642, 5,283,561.38 and 2,109,824.02 is: 2,911,576.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828,642 : 5,283,561.38 = 2,109,824.02 : x
  2. Step 2: Convert to fraction form
    3,828,642/5,283,561.38 = 2,109,824.02/x
  3. Step 3: Cross multiply
    3,828,642x = 5,283,561.38 × 2,109,824.02
  4. Step 4: Simplify right side
    3,828,642x = 11,147,384,710,668.35
  5. Step 5: Solve for x
    x = 11,147,384,710,668.35/3,828,642
  6. Step 6: Final answer
    x = 2,911,576.67

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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.