Finding the Fourth Proportional to 5,509,877.40, 8,268,752.70 and 2,317,294.80
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Solution
The fourth proportional to 5,509,877.40, 8,268,752.70 and 2,317,294.80 is: 3,477,597.82
Step by Step Solution
- Step 1: Write the proportion equation
5,509,877.40 : 8,268,752.70 = 2,317,294.80 : x - Step 2: Convert to fraction form
5,509,877.40/8,268,752.70 = 2,317,294.80/x - Step 3: Cross multiply
5,509,877.40x = 8,268,752.70 × 2,317,294.80 - Step 4: Simplify right side
5,509,877.40x = 19,161,137,634,195.96 - Step 5: Solve for x
x = 19,161,137,634,195.96/5,509,877.40 - Step 6: Final answer
x = 3,477,597.82
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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.