Finding the Fourth Proportional to 3,461,678.75, 4,777,104.93 and 1,912,897.19
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Solution
The fourth proportional to 3,461,678.75, 4,777,104.93 and 1,912,897.19 is: 2,639,791.63
Step by Step Solution
- Step 1: Write the proportion equation
3,461,678.75 : 4,777,104.93 = 1,912,897.19 : x - Step 2: Convert to fraction form
3,461,678.75/4,777,104.93 = 1,912,897.19/x - Step 3: Cross multiply
3,461,678.75x = 4,777,104.93 × 1,912,897.19 - Step 4: Simplify right side
3,461,678.75x = 9,138,110,596,932.15 - Step 5: Solve for x
x = 9,138,110,596,932.15/3,461,678.75 - Step 6: Final answer
x = 2,639,791.63
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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.