Finding the Fourth Proportional to 4,989,601.82, 7,481,184.81 and 1,957,274.08
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Solution
The fourth proportional to 4,989,601.82, 7,481,184.81 and 1,957,274.08 is: 2,934,648.82
Step by Step Solution
- Step 1: Write the proportion equation
4,989,601.82 : 7,481,184.81 = 1,957,274.08 : x - Step 2: Convert to fraction form
4,989,601.82/7,481,184.81 = 1,957,274.08/x - Step 3: Cross multiply
4,989,601.82x = 7,481,184.81 × 1,957,274.08 - Step 4: Simplify right side
4,989,601.82x = 14,642,729,090,259.98 - Step 5: Solve for x
x = 14,642,729,090,259.98/4,989,601.82 - Step 6: Final answer
x = 2,934,648.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.