Finding the Fourth Proportional to 2,514,508.12, 3,470,021.40 and 1,368,596.80
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Solution
The fourth proportional to 2,514,508.12, 3,470,021.40 and 1,368,596.80 is: 1,888,663.69
Step by Step Solution
- Step 1: Write the proportion equation
2,514,508.12 : 3,470,021.40 = 1,368,596.80 : x - Step 2: Convert to fraction form
2,514,508.12/3,470,021.40 = 1,368,596.80/x - Step 3: Cross multiply
2,514,508.12x = 3,470,021.40 × 1,368,596.80 - Step 4: Simplify right side
2,514,508.12x = 4,749,060,183,971.52 - Step 5: Solve for x
x = 4,749,060,183,971.52/2,514,508.12 - Step 6: Final answer
x = 1,888,663.69
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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.