Finding the Fourth Proportional to 7,052,560.20, 10,578,840.30 and 4,929,193.80
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Solution
The fourth proportional to 7,052,560.20, 10,578,840.30 and 4,929,193.80 is: 7,393,790.70
Step by Step Solution
- Step 1: Write the proportion equation
7,052,560.20 : 10,578,840.30 = 4,929,193.80 : x - Step 2: Convert to fraction form
7,052,560.20/10,578,840.30 = 4,929,193.80/x - Step 3: Cross multiply
7,052,560.20x = 10,578,840.30 × 4,929,193.80 - Step 4: Simplify right side
7,052,560.20x = 52,145,154,017,950.14 - Step 5: Solve for x
x = 52,145,154,017,950.14/7,052,560.20 - Step 6: Final answer
x = 7,393,790.70
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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.