Finding the Fourth Proportional to 4,178,604.50, 6,268,367.55 and 1,338,048.98
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Solution
The fourth proportional to 4,178,604.50, 6,268,367.55 and 1,338,048.98 is: 2,007,221.02
Step by Step Solution
- Step 1: Write the proportion equation
4,178,604.50 : 6,268,367.55 = 1,338,048.98 : x - Step 2: Convert to fraction form
4,178,604.50/6,268,367.55 = 1,338,048.98/x - Step 3: Cross multiply
4,178,604.50x = 6,268,367.55 × 1,338,048.98 - Step 4: Simplify right side
4,178,604.50x = 8,387,382,806,542.60 - Step 5: Solve for x
x = 8,387,382,806,542.60/4,178,604.50 - Step 6: Final answer
x = 2,007,221.02
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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.