Finding the Fourth Proportional to 2,219,521.29, 3,060,169.09 and 1,696,879.60
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Solution
The fourth proportional to 2,219,521.29, 3,060,169.09 and 1,696,879.60 is: 2,339,575.89
Step by Step Solution
- Step 1: Write the proportion equation
2,219,521.29 : 3,060,169.09 = 1,696,879.60 : x - Step 2: Convert to fraction form
2,219,521.29/3,060,169.09 = 1,696,879.60/x - Step 3: Cross multiply
2,219,521.29x = 3,060,169.09 × 1,696,879.60 - Step 4: Simplify right side
2,219,521.29x = 5,192,738,489,478.94 - Step 5: Solve for x
x = 5,192,738,489,478.94/2,219,521.29 - Step 6: Final answer
x = 2,339,575.89
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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.