Finding the Fourth Proportional to 3,243,911.49, 4,865,867.24 and 1,222,609.09
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Solution
The fourth proportional to 3,243,911.49, 4,865,867.24 and 1,222,609.09 is: 1,833,913.63
Step by Step Solution
- Step 1: Write the proportion equation
3,243,911.49 : 4,865,867.24 = 1,222,609.09 : x - Step 2: Convert to fraction form
3,243,911.49/4,865,867.24 = 1,222,609.09/x - Step 3: Cross multiply
3,243,911.49x = 4,865,867.24 × 1,222,609.09 - Step 4: Simplify right side
3,243,911.49x = 5,949,053,509,203.00 - Step 5: Solve for x
x = 5,949,053,509,203.00/3,243,911.49 - Step 6: Final answer
x = 1,833,913.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.