Finding the Fourth Proportional to 3,546,809.60, 5,320,905.60 and 1,416,531.20
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Solution
The fourth proportional to 3,546,809.60, 5,320,905.60 and 1,416,531.20 is: 2,125,072.85
Step by Step Solution
- Step 1: Write the proportion equation
3,546,809.60 : 5,320,905.60 = 1,416,531.20 : x - Step 2: Convert to fraction form
3,546,809.60/5,320,905.60 = 1,416,531.20/x - Step 3: Cross multiply
3,546,809.60x = 5,320,905.60 × 1,416,531.20 - Step 4: Simplify right side
3,546,809.60x = 7,537,228,794,654.72 - Step 5: Solve for x
x = 7,537,228,794,654.72/3,546,809.60 - Step 6: Final answer
x = 2,125,072.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.