Finding the Fourth Proportional to 3,186,394.94, 4,397,169.48 and 1,736,100.91
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Solution
The fourth proportional to 3,186,394.94, 4,397,169.48 and 1,736,100.91 is: 2,395,788.99
Step by Step Solution
- Step 1: Write the proportion equation
3,186,394.94 : 4,397,169.48 = 1,736,100.91 : x - Step 2: Convert to fraction form
3,186,394.94/4,397,169.48 = 1,736,100.91/x - Step 3: Cross multiply
3,186,394.94x = 4,397,169.48 × 1,736,100.91 - Step 4: Simplify right side
3,186,394.94x = 7,633,929,934,638.31 - Step 5: Solve for x
x = 7,633,929,934,638.31/3,186,394.94 - Step 6: Final answer
x = 2,395,788.99
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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.