Finding the Fourth Proportional to 5,418,565.44, 7,476,107.04 and 4,269,076.80
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Solution
The fourth proportional to 5,418,565.44, 7,476,107.04 and 4,269,076.80 is: 5,890,133.74
Step by Step Solution
- Step 1: Write the proportion equation
5,418,565.44 : 7,476,107.04 = 4,269,076.80 : x - Step 2: Convert to fraction form
5,418,565.44/7,476,107.04 = 4,269,076.80/x - Step 3: Cross multiply
5,418,565.44x = 7,476,107.04 × 4,269,076.80 - Step 4: Simplify right side
5,418,565.44x = 31,916,075,118,780.67 - Step 5: Solve for x
x = 31,916,075,118,780.67/5,418,565.44 - Step 6: Final answer
x = 5,890,133.74
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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.