Finding the Fourth Proportional to 5,752,213.08, 7,938,220.20 and 3,174,059.88
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Solution
The fourth proportional to 5,752,213.08, 7,938,220.20 and 3,174,059.88 is: 4,380,294.32
Step by Step Solution
- Step 1: Write the proportion equation
5,752,213.08 : 7,938,220.20 = 3,174,059.88 : x - Step 2: Convert to fraction form
5,752,213.08/7,938,220.20 = 3,174,059.88/x - Step 3: Cross multiply
5,752,213.08x = 7,938,220.20 × 3,174,059.88 - Step 4: Simplify right side
5,752,213.08x = 25,196,386,255,425.57 - Step 5: Solve for x
x = 25,196,386,255,425.57/5,752,213.08 - Step 6: Final answer
x = 4,380,294.32
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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.