Finding the Fourth Proportional to 7,158,685.19, 10,738,049.84 and 1,767,336.20
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Solution
The fourth proportional to 7,158,685.19, 10,738,049.84 and 1,767,336.20 is: 2,651,009.74
Step by Step Solution
- Step 1: Write the proportion equation
7,158,685.19 : 10,738,049.84 = 1,767,336.20 : x - Step 2: Convert to fraction form
7,158,685.19/10,738,049.84 = 1,767,336.20/x - Step 3: Cross multiply
7,158,685.19x = 10,738,049.84 × 1,767,336.20 - Step 4: Simplify right side
7,158,685.19x = 18,977,744,137,109.28 - Step 5: Solve for x
x = 18,977,744,137,109.28/7,158,685.19 - Step 6: Final answer
x = 2,651,009.74
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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.