Finding the Fourth Proportional to 3,626,782.49, 5,004,762.19 and 1,994,926.42
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Solution
The fourth proportional to 3,626,782.49, 5,004,762.19 and 1,994,926.42 is: 2,752,889.74
Step by Step Solution
- Step 1: Write the proportion equation
3,626,782.49 : 5,004,762.19 = 1,994,926.42 : x - Step 2: Convert to fraction form
3,626,782.49/5,004,762.19 = 1,994,926.42/x - Step 3: Cross multiply
3,626,782.49x = 5,004,762.19 × 1,994,926.42 - Step 4: Simplify right side
3,626,782.49x = 9,984,132,319,916.70 - Step 5: Solve for x
x = 9,984,132,319,916.70/3,626,782.49 - Step 6: Final answer
x = 2,752,889.74
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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.