Finding the Fourth Proportional to 6,837,668.40, 10,257,424.20 and 2,351,319.60
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Solution
The fourth proportional to 6,837,668.40, 10,257,424.20 and 2,351,319.60 is: 3,527,296.32
Step by Step Solution
- Step 1: Write the proportion equation
6,837,668.40 : 10,257,424.20 = 2,351,319.60 : x - Step 2: Convert to fraction form
6,837,668.40/10,257,424.20 = 2,351,319.60/x - Step 3: Cross multiply
6,837,668.40x = 10,257,424.20 × 2,351,319.60 - Step 4: Simplify right side
6,837,668.40x = 24,118,482,566,974.32 - Step 5: Solve for x
x = 24,118,482,566,974.32/6,837,668.40 - Step 6: Final answer
x = 3,527,296.32
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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.