Finding the Fourth Proportional to 6,715,803.80, 9,268,137.79 and 3,776,545.97
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Solution
The fourth proportional to 6,715,803.80, 9,268,137.79 and 3,776,545.97 is: 5,211,818.19
Step by Step Solution
- Step 1: Write the proportion equation
6,715,803.80 : 9,268,137.79 = 3,776,545.97 : x - Step 2: Convert to fraction form
6,715,803.80/9,268,137.79 = 3,776,545.97/x - Step 3: Cross multiply
6,715,803.80x = 9,268,137.79 × 3,776,545.97 - Step 4: Simplify right side
6,715,803.80x = 35,001,548,401,346.48 - Step 5: Solve for x
x = 35,001,548,401,346.48/6,715,803.80 - Step 6: Final answer
x = 5,211,818.19
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.