Finding the Fourth Proportional to 1,678,860.15, 2,517,366.83 and 1,146,981.75
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Solution
The fourth proportional to 1,678,860.15, 2,517,366.83 and 1,146,981.75 is: 1,719,841.77
Step by Step Solution
- Step 1: Write the proportion equation
1,678,860.15 : 2,517,366.83 = 1,146,981.75 : x - Step 2: Convert to fraction form
1,678,860.15/2,517,366.83 = 1,146,981.75/x - Step 3: Cross multiply
1,678,860.15x = 2,517,366.83 × 1,146,981.75 - Step 4: Simplify right side
1,678,860.15x = 2,887,373,806,330.44 - Step 5: Solve for x
x = 2,887,373,806,330.44/1,678,860.15 - Step 6: Final answer
x = 1,719,841.77
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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.