Finding the Fourth Proportional to 1,318,708.05, 1,966,212.19 and 1,206,107.52
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Solution
The fourth proportional to 1,318,708.05, 1,966,212.19 and 1,206,107.52 is: 1,798,323.22
Step by Step Solution
- Step 1: Write the proportion equation
1,318,708.05 : 1,966,212.19 = 1,206,107.52 : x - Step 2: Convert to fraction form
1,318,708.05/1,966,212.19 = 1,206,107.52/x - Step 3: Cross multiply
1,318,708.05x = 1,966,212.19 × 1,206,107.52 - Step 4: Simplify right side
1,318,708.05x = 2,371,463,308,274.67 - Step 5: Solve for x
x = 2,371,463,308,274.67/1,318,708.05 - Step 6: Final answer
x = 1,798,323.22
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.