Finding the Fourth Proportional to 3,825,042.90, 5,278,675.30 and 2,106,224.92
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Solution
The fourth proportional to 3,825,042.90, 5,278,675.30 and 2,106,224.92 is: 2,906,654.32
Step by Step Solution
- Step 1: Write the proportion equation
3,825,042.90 : 5,278,675.30 = 2,106,224.92 : x - Step 2: Convert to fraction form
3,825,042.90/5,278,675.30 = 2,106,224.92/x - Step 3: Cross multiply
3,825,042.90x = 5,278,675.30 × 2,106,224.92 - Step 4: Simplify right side
3,825,042.90x = 11,118,077,461,448.47 - Step 5: Solve for x
x = 11,118,077,461,448.47/3,825,042.90 - Step 6: Final answer
x = 2,906,654.32
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1.5x scale
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.