Finding the Fourth Proportional to 3,318,366.69, 4,579,782.49 and 1,868,344.68
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Solution
The fourth proportional to 3,318,366.69, 4,579,782.49 and 1,868,344.68 is: 2,578,561.40
Step by Step Solution
- Step 1: Write the proportion equation
3,318,366.69 : 4,579,782.49 = 1,868,344.68 : x - Step 2: Convert to fraction form
3,318,366.69/4,579,782.49 = 1,868,344.68/x - Step 3: Cross multiply
3,318,366.69x = 4,579,782.49 × 1,868,344.68 - Step 4: Simplify right side
3,318,366.69x = 8,556,612,270,258.27 - Step 5: Solve for x
x = 8,556,612,270,258.27/3,318,366.69 - Step 6: Final answer
x = 2,578,561.40
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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.