Finding the Fourth Proportional to 4,537,668.20, 6,806,502.30 and 2,146,183.70
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Solution
The fourth proportional to 4,537,668.20, 6,806,502.30 and 2,146,183.70 is: 3,219,275.55
Step by Step Solution
- Step 1: Write the proportion equation
4,537,668.20 : 6,806,502.30 = 2,146,183.70 : x - Step 2: Convert to fraction form
4,537,668.20/6,806,502.30 = 2,146,183.70/x - Step 3: Cross multiply
4,537,668.20x = 6,806,502.30 × 2,146,183.70 - Step 4: Simplify right side
4,537,668.20x = 14,608,004,290,272.51 - Step 5: Solve for x
x = 14,608,004,290,272.51/4,537,668.20 - Step 6: Final answer
x = 3,219,275.55
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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.