Finding the Fourth Proportional to 3,876,274.48, 5,815,331.90 and 1,216,882.48
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Solution
The fourth proportional to 3,876,274.48, 5,815,331.90 and 1,216,882.48 is: 1,825,612.59
Step by Step Solution
- Step 1: Write the proportion equation
3,876,274.48 : 5,815,331.90 = 1,216,882.48 : x - Step 2: Convert to fraction form
3,876,274.48/5,815,331.90 = 1,216,882.48/x - Step 3: Cross multiply
3,876,274.48x = 5,815,331.90 × 1,216,882.48 - Step 4: Simplify right side
3,876,274.48x = 7,076,575,504,495.11 - Step 5: Solve for x
x = 7,076,575,504,495.11/3,876,274.48 - Step 6: Final answer
x = 1,825,612.59
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.