Finding the Fourth Proportional to 3,923,103.24, 5,414,336.06 and 2,291,918.36
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Solution
The fourth proportional to 3,923,103.24, 5,414,336.06 and 2,291,918.36 is: 3,163,112.32
Step by Step Solution
- Step 1: Write the proportion equation
3,923,103.24 : 5,414,336.06 = 2,291,918.36 : x - Step 2: Convert to fraction form
3,923,103.24/5,414,336.06 = 2,291,918.36/x - Step 3: Cross multiply
3,923,103.24x = 5,414,336.06 × 2,291,918.36 - Step 4: Simplify right side
3,923,103.24x = 12,409,216,184,592.79 - Step 5: Solve for x
x = 12,409,216,184,592.79/3,923,103.24 - Step 6: Final answer
x = 3,163,112.32
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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.