Finding the Fourth Proportional to 3,623,763.09, 5,431,658.79 and 1,492,684.68
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Solution
The fourth proportional to 3,623,763.09, 5,431,658.79 and 1,492,684.68 is: 2,237,385.19
Step by Step Solution
- Step 1: Write the proportion equation
3,623,763.09 : 5,431,658.79 = 1,492,684.68 : x - Step 2: Convert to fraction form
3,623,763.09/5,431,658.79 = 1,492,684.68/x - Step 3: Cross multiply
3,623,763.09x = 5,431,658.79 × 1,492,684.68 - Step 4: Simplify right side
3,623,763.09x = 8,107,753,862,820.34 - Step 5: Solve for x
x = 8,107,753,862,820.34/3,623,763.09 - Step 6: Final answer
x = 2,237,385.19
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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.