Finding the Fourth Proportional to 7,045,590.29, 9,722,749.79 and 4,145,167.80
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Solution
The fourth proportional to 7,045,590.29, 9,722,749.79 and 4,145,167.80 is: 5,720,234.60
Step by Step Solution
- Step 1: Write the proportion equation
7,045,590.29 : 9,722,749.79 = 4,145,167.80 : x - Step 2: Convert to fraction form
7,045,590.29/9,722,749.79 = 4,145,167.80/x - Step 3: Cross multiply
7,045,590.29x = 9,722,749.79 × 4,145,167.80 - Step 4: Simplify right side
7,045,590.29x = 40,302,429,336,238.92 - Step 5: Solve for x
x = 40,302,429,336,238.92/7,045,590.29 - Step 6: Final answer
x = 5,720,234.60
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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.