Finding the Fourth Proportional to 4,816,857.11, 7,225,309.76 and 1,222,625.14
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Solution
The fourth proportional to 4,816,857.11, 7,225,309.76 and 1,222,625.14 is: 1,833,943.82
Step by Step Solution
- Step 1: Write the proportion equation
4,816,857.11 : 7,225,309.76 = 1,222,625.14 : x - Step 2: Convert to fraction form
4,816,857.11/7,225,309.76 = 1,222,625.14/x - Step 3: Cross multiply
4,816,857.11x = 7,225,309.76 × 1,222,625.14 - Step 4: Simplify right side
4,816,857.11x = 8,833,845,332,686.97 - Step 5: Solve for x
x = 8,833,845,332,686.97/4,816,857.11 - Step 6: Final answer
x = 1,833,943.82
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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.