Finding the Fourth Proportional to 2,826,791.88, 4,237,727.45 and 1,816,201.05
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Solution
The fourth proportional to 2,826,791.88, 4,237,727.45 and 1,816,201.05 is: 2,722,720.80
Step by Step Solution
- Step 1: Write the proportion equation
2,826,791.88 : 4,237,727.45 = 1,816,201.05 : x - Step 2: Convert to fraction form
2,826,791.88/4,237,727.45 = 1,816,201.05/x - Step 3: Cross multiply
2,826,791.88x = 4,237,727.45 × 1,816,201.05 - Step 4: Simplify right side
2,826,791.88x = 7,696,565,035,222.82 - Step 5: Solve for x
x = 7,696,565,035,222.82/2,826,791.88 - Step 6: Final answer
x = 2,722,720.80
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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.