Finding the Fourth Proportional to 5,381,465.88, 8,076,862.67 and 2,824,486.99
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Solution
The fourth proportional to 5,381,465.88, 8,076,862.67 and 2,824,486.99 is: 4,239,178.33
Step by Step Solution
- Step 1: Write the proportion equation
5,381,465.88 : 8,076,862.67 = 2,824,486.99 : x - Step 2: Convert to fraction form
5,381,465.88/8,076,862.67 = 2,824,486.99/x - Step 3: Cross multiply
5,381,465.88x = 8,076,862.67 × 2,824,486.99 - Step 4: Simplify right side
5,381,465.88x = 22,812,993,531,431.66 - Step 5: Solve for x
x = 22,812,993,531,431.66/5,381,465.88 - Step 6: Final answer
x = 4,239,178.33
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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.