Home / 3,017,606.78-4,164,406.86-1,728,696.29

Finding the Fourth Proportional to 3,017,606.78, 4,164,406.86 and 1,728,696.29

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Solution

The fourth proportional to 3,017,606.78, 4,164,406.86 and 1,728,696.29 is: 2,385,663.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,017,606.78 : 4,164,406.86 = 1,728,696.29 : x
  2. Step 2: Convert to fraction form
    3,017,606.78/4,164,406.86 = 1,728,696.29/x
  3. Step 3: Cross multiply
    3,017,606.78x = 4,164,406.86 × 1,728,696.29
  4. Step 4: Simplify right side
    3,017,606.78x = 7,198,994,668,110.52
  5. Step 5: Solve for x
    x = 7,198,994,668,110.52/3,017,606.78
  6. Step 6: Final answer
    x = 2,385,663.61

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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.