Finding the Fourth Proportional to 5,471,390.42, 8,207,252.85 and 1,877,106.95
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Solution
The fourth proportional to 5,471,390.42, 8,207,252.85 and 1,877,106.95 is: 2,815,717.79
Step by Step Solution
- Step 1: Write the proportion equation
5,471,390.42 : 8,207,252.85 = 1,877,106.95 : x - Step 2: Convert to fraction form
5,471,390.42/8,207,252.85 = 1,877,106.95/x - Step 3: Cross multiply
5,471,390.42x = 8,207,252.85 × 1,877,106.95 - Step 4: Simplify right side
5,471,390.42x = 15,405,891,355,756.77 - Step 5: Solve for x
x = 15,405,891,355,756.77/5,471,390.42 - Step 6: Final answer
x = 2,815,717.79
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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.