Finding the Fourth Proportional to 6,480,193.66, 8,942,938.76 and 3,726,882.96
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Solution
The fourth proportional to 6,480,193.66, 8,942,938.76 and 3,726,882.96 is: 5,143,254.63
Step by Step Solution
- Step 1: Write the proportion equation
6,480,193.66 : 8,942,938.76 = 3,726,882.96 : x - Step 2: Convert to fraction form
6,480,193.66/8,942,938.76 = 3,726,882.96/x - Step 3: Cross multiply
6,480,193.66x = 8,942,938.76 × 3,726,882.96 - Step 4: Simplify right side
6,480,193.66x = 33,329,286,076,967.53 - Step 5: Solve for x
x = 33,329,286,076,967.53/6,480,193.66 - Step 6: Final answer
x = 5,143,254.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.