Finding the Fourth Proportional to 5,218,573.74, 7,825,984.58 and 1,805,933.67
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Solution
The fourth proportional to 5,218,573.74, 7,825,984.58 and 1,805,933.67 is: 2,708,251.29
Step by Step Solution
- Step 1: Write the proportion equation
5,218,573.74 : 7,825,984.58 = 1,805,933.67 : x - Step 2: Convert to fraction form
5,218,573.74/7,825,984.58 = 1,805,933.67/x - Step 3: Cross multiply
5,218,573.74x = 7,825,984.58 × 1,805,933.67 - Step 4: Simplify right side
5,218,573.74x = 14,133,209,044,893.14 - Step 5: Solve for x
x = 14,133,209,044,893.14/5,218,573.74 - Step 6: Final answer
x = 2,708,251.29
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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.