Finding the Fourth Proportional to 2,917,514.75, 4,021,351.65 and 1,950,292.13
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Solution
The fourth proportional to 2,917,514.75, 4,021,351.65 and 1,950,292.13 is: 2,688,181.94
Step by Step Solution
- Step 1: Write the proportion equation
2,917,514.75 : 4,021,351.65 = 1,950,292.13 : x - Step 2: Convert to fraction form
2,917,514.75/4,021,351.65 = 1,950,292.13/x - Step 3: Cross multiply
2,917,514.75x = 4,021,351.65 × 1,950,292.13 - Step 4: Simplify right side
2,917,514.75x = 7,842,810,474,957.51 - Step 5: Solve for x
x = 7,842,810,474,957.51/2,917,514.75 - Step 6: Final answer
x = 2,688,181.94
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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.