Finding the Fourth Proportional to 2,313,416.84, 3,192,514.74 and 1,294,821.56
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Solution
The fourth proportional to 2,313,416.84, 3,192,514.74 and 1,294,821.56 is: 1,786,853.47
Step by Step Solution
- Step 1: Write the proportion equation
2,313,416.84 : 3,192,514.74 = 1,294,821.56 : x - Step 2: Convert to fraction form
2,313,416.84/3,192,514.74 = 1,294,821.56/x - Step 3: Cross multiply
2,313,416.84x = 3,192,514.74 × 1,294,821.56 - Step 4: Simplify right side
2,313,416.84x = 4,133,736,915,969.80 - Step 5: Solve for x
x = 4,133,736,915,969.80/2,313,416.84 - Step 6: Final answer
x = 1,786,853.47
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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.