Finding the Fourth Proportional to 4,897,821.20, 7,346,895.84 and 1,702,975.05
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Solution
The fourth proportional to 4,897,821.20, 7,346,895.84 and 1,702,975.05 is: 2,554,519.61
Step by Step Solution
- Step 1: Write the proportion equation
4,897,821.20 : 7,346,895.84 = 1,702,975.05 : x - Step 2: Convert to fraction form
4,897,821.20/7,346,895.84 = 1,702,975.05/x - Step 3: Cross multiply
4,897,821.20x = 7,346,895.84 × 1,702,975.05 - Step 4: Simplify right side
4,897,821.20x = 12,511,580,310,468.79 - Step 5: Solve for x
x = 12,511,580,310,468.79/4,897,821.20 - Step 6: Final answer
x = 2,554,519.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.