Finding the Fourth Proportional to 7,085,737.20, 10,629,642.60 and 2,292,610.80
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Solution
The fourth proportional to 7,085,737.20, 10,629,642.60 and 2,292,610.80 is: 3,439,251.66
Step by Step Solution
- Step 1: Write the proportion equation
7,085,737.20 : 10,629,642.60 = 2,292,610.80 : x - Step 2: Convert to fraction form
7,085,737.20/10,629,642.60 = 2,292,610.80/x - Step 3: Cross multiply
7,085,737.20x = 10,629,642.60 × 2,292,610.80 - Step 4: Simplify right side
7,085,737.20x = 24,369,633,424,900.08 - Step 5: Solve for x
x = 24,369,633,424,900.08/7,085,737.20 - Step 6: Final answer
x = 3,439,251.66
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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.