Finding the Fourth Proportional to 4,931,434.99, 7,397,887.71 and 1,519,436.15
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Solution
The fourth proportional to 4,931,434.99, 7,397,887.71 and 1,519,436.15 is: 2,279,380.76
Step by Step Solution
- Step 1: Write the proportion equation
4,931,434.99 : 7,397,887.71 = 1,519,436.15 : x - Step 2: Convert to fraction form
4,931,434.99/7,397,887.71 = 1,519,436.15/x - Step 3: Cross multiply
4,931,434.99x = 7,397,887.71 × 1,519,436.15 - Step 4: Simplify right side
4,931,434.99x = 11,240,618,016,665.24 - Step 5: Solve for x
x = 11,240,618,016,665.24/4,931,434.99 - Step 6: Final answer
x = 2,279,380.76
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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.