Finding the Fourth Proportional to 5,915,836.88, 8,163,855.50 and 3,199,582.88
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Solution
The fourth proportional to 5,915,836.88, 8,163,855.50 and 3,199,582.88 is: 4,415,424.70
Step by Step Solution
- Step 1: Write the proportion equation
5,915,836.88 : 8,163,855.50 = 3,199,582.88 : x - Step 2: Convert to fraction form
5,915,836.88/8,163,855.50 = 3,199,582.88/x - Step 3: Cross multiply
5,915,836.88x = 8,163,855.50 × 3,199,582.88 - Step 4: Simplify right side
5,915,836.88x = 26,120,932,292,593.84 - Step 5: Solve for x
x = 26,120,932,292,593.84/5,915,836.88 - Step 6: Final answer
x = 4,415,424.70
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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.