Finding the Fourth Proportional to 5,334,894.84, 7,362,154.36 and 2,887,505.48
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Solution
The fourth proportional to 5,334,894.84, 7,362,154.36 and 2,887,505.48 is: 3,984,757.28
Step by Step Solution
- Step 1: Write the proportion equation
5,334,894.84 : 7,362,154.36 = 2,887,505.48 : x - Step 2: Convert to fraction form
5,334,894.84/7,362,154.36 = 2,887,505.48/x - Step 3: Cross multiply
5,334,894.84x = 7,362,154.36 × 2,887,505.48 - Step 4: Simplify right side
5,334,894.84x = 21,258,261,059,105.89 - Step 5: Solve for x
x = 21,258,261,059,105.89/5,334,894.84 - Step 6: Final answer
x = 3,984,757.28
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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.