Finding the Fourth Proportional to 2,994,661.42, 4,132,634.49 and 1,636,534.42
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Solution
The fourth proportional to 2,994,661.42, 4,132,634.49 and 1,636,534.42 is: 2,258,418.45
Step by Step Solution
- Step 1: Write the proportion equation
2,994,661.42 : 4,132,634.49 = 1,636,534.42 : x - Step 2: Convert to fraction form
2,994,661.42/4,132,634.49 = 1,636,534.42/x - Step 3: Cross multiply
2,994,661.42x = 4,132,634.49 × 1,636,534.42 - Step 4: Simplify right side
2,994,661.42x = 6,763,198,588,164.15 - Step 5: Solve for x
x = 6,763,198,588,164.15/2,994,661.42 - Step 6: Final answer
x = 2,258,418.45
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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.