Finding the Fourth Proportional to 3,425,842.62, 4,727,476.71 and 1,897,858.62
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Solution
The fourth proportional to 3,425,842.62, 4,727,476.71 and 1,897,858.62 is: 2,618,941.80
Step by Step Solution
- Step 1: Write the proportion equation
3,425,842.62 : 4,727,476.71 = 1,897,858.62 : x - Step 2: Convert to fraction form
3,425,842.62/4,727,476.71 = 1,897,858.62/x - Step 3: Cross multiply
3,425,842.62x = 4,727,476.71 × 1,897,858.62 - Step 4: Simplify right side
3,425,842.62x = 8,972,082,424,922.74 - Step 5: Solve for x
x = 8,972,082,424,922.74/3,425,842.62 - Step 6: Final answer
x = 2,618,941.80
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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.