Finding the Fourth Proportional to 5,607,334.18, 7,738,128.21 and 3,029,015.08
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Solution
The fourth proportional to 5,607,334.18, 7,738,128.21 and 3,029,015.08 is: 4,180,044.61
Step by Step Solution
- Step 1: Write the proportion equation
5,607,334.18 : 7,738,128.21 = 3,029,015.08 : x - Step 2: Convert to fraction form
5,607,334.18/7,738,128.21 = 3,029,015.08/x - Step 3: Cross multiply
5,607,334.18x = 7,738,128.21 × 3,029,015.08 - Step 4: Simplify right side
5,607,334.18x = 23,438,907,039,063.41 - Step 5: Solve for x
x = 23,438,907,039,063.41/5,607,334.18 - Step 6: Final answer
x = 4,180,044.61
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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.