Finding the Fourth Proportional to 3,443,421.14, 4,752,440.81 and 1,994,063.43
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Solution
The fourth proportional to 3,443,421.14, 4,752,440.81 and 1,994,063.43 is: 2,752,108.45
Step by Step Solution
- Step 1: Write the proportion equation
3,443,421.14 : 4,752,440.81 = 1,994,063.43 : x - Step 2: Convert to fraction form
3,443,421.14/4,752,440.81 = 1,994,063.43/x - Step 3: Cross multiply
3,443,421.14x = 4,752,440.81 × 1,994,063.43 - Step 4: Simplify right side
3,443,421.14x = 9,476,668,412,490.26 - Step 5: Solve for x
x = 9,476,668,412,490.26/3,443,421.14 - Step 6: Final answer
x = 2,752,108.45
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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.