Finding the Fourth Proportional to 3,399,350.18, 4,691,442.12 and 2,538,415.76
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Solution
The fourth proportional to 3,399,350.18, 4,691,442.12 and 2,538,415.76 is: 3,503,266.80
Step by Step Solution
- Step 1: Write the proportion equation
3,399,350.18 : 4,691,442.12 = 2,538,415.76 : x - Step 2: Convert to fraction form
3,399,350.18/4,691,442.12 = 2,538,415.76/x - Step 3: Cross multiply
3,399,350.18x = 4,691,442.12 × 2,538,415.76 - Step 4: Simplify right side
3,399,350.18x = 11,908,830,614,535.81 - Step 5: Solve for x
x = 11,908,830,614,535.81/3,399,350.18 - Step 6: Final answer
x = 3,503,266.80
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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.