Finding the Fourth Proportional to 5,398,839.26, 7,450,486.68 and 3,223,572.50
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Solution
The fourth proportional to 5,398,839.26, 7,450,486.68 and 3,223,572.50 is: 4,448,582.89
Step by Step Solution
- Step 1: Write the proportion equation
5,398,839.26 : 7,450,486.68 = 3,223,572.50 : x - Step 2: Convert to fraction form
5,398,839.26/7,450,486.68 = 3,223,572.50/x - Step 3: Cross multiply
5,398,839.26x = 7,450,486.68 × 3,223,572.50 - Step 4: Simplify right side
5,398,839.26x = 24,017,183,973,264.30 - Step 5: Solve for x
x = 24,017,183,973,264.30/5,398,839.26 - Step 6: Final answer
x = 4,448,582.89
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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.