Finding the Fourth Proportional to 2,548,356.19, 3,515,939.66 and 1,445,606.09
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Solution
The fourth proportional to 2,548,356.19, 3,515,939.66 and 1,445,606.09 is: 1,994,487.19
Step by Step Solution
- Step 1: Write the proportion equation
2,548,356.19 : 3,515,939.66 = 1,445,606.09 : x - Step 2: Convert to fraction form
2,548,356.19/3,515,939.66 = 1,445,606.09/x - Step 3: Cross multiply
2,548,356.19x = 3,515,939.66 × 1,445,606.09 - Step 4: Simplify right side
2,548,356.19x = 5,082,663,783,787.62 - Step 5: Solve for x
x = 5,082,663,783,787.62/2,548,356.19 - Step 6: Final answer
x = 1,994,487.19
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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.