Home / 3,828,448.72-5,283,491.20-2,109,567.12

Finding the Fourth Proportional to 3,828,448.72, 5,283,491.20 and 2,109,567.12

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Solution

The fourth proportional to 3,828,448.72, 5,283,491.20 and 2,109,567.12 is: 2,911,330.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828,448.72 : 5,283,491.20 = 2,109,567.12 : x
  2. Step 2: Convert to fraction form
    3,828,448.72/5,283,491.20 = 2,109,567.12/x
  3. Step 3: Cross multiply
    3,828,448.72x = 5,283,491.20 × 2,109,567.12
  4. Step 4: Simplify right side
    3,828,448.72x = 11,145,879,314,329.35
  5. Step 5: Solve for x
    x = 11,145,879,314,329.35/3,828,448.72
  6. Step 6: Final answer
    x = 2,911,330.44

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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.