Home / 2,866,388.69-3,955,725.53-1,642,930.31

Finding the Fourth Proportional to 2,866,388.69, 3,955,725.53 and 1,642,930.31

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Solution

The fourth proportional to 2,866,388.69, 3,955,725.53 and 1,642,930.31 is: 2,267,306.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,866,388.69 : 3,955,725.53 = 1,642,930.31 : x
  2. Step 2: Convert to fraction form
    2,866,388.69/3,955,725.53 = 1,642,930.31/x
  3. Step 3: Cross multiply
    2,866,388.69x = 3,955,725.53 × 1,642,930.31
  4. Step 4: Simplify right side
    2,866,388.69x = 6,498,981,385,274.45
  5. Step 5: Solve for x
    x = 6,498,981,385,274.45/2,866,388.69
  6. Step 6: Final answer
    x = 2,267,306.39

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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.