Home / 3,488,085.70-4,813,614.23-1,918,279.57

Finding the Fourth Proportional to 3,488,085.70, 4,813,614.23 and 1,918,279.57

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Solution

The fourth proportional to 3,488,085.70, 4,813,614.23 and 1,918,279.57 is: 2,647,256.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,488,085.70 : 4,813,614.23 = 1,918,279.57 : x
  2. Step 2: Convert to fraction form
    3,488,085.70/4,813,614.23 = 1,918,279.57/x
  3. Step 3: Cross multiply
    3,488,085.70x = 4,813,614.23 × 1,918,279.57
  4. Step 4: Simplify right side
    3,488,085.70x = 9,233,857,825,678.88
  5. Step 5: Solve for x
    x = 9,233,857,825,678.88/3,488,085.70
  6. Step 6: Final answer
    x = 2,647,256.58

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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.