Finding the Fourth Proportional to 4,550,690.62, 6,279,910.60 and 2,485,705.40
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Solution
The fourth proportional to 4,550,690.62, 6,279,910.60 and 2,485,705.40 is: 3,430,250.26
Step by Step Solution
- Step 1: Write the proportion equation
4,550,690.62 : 6,279,910.60 = 2,485,705.40 : x - Step 2: Convert to fraction form
4,550,690.62/6,279,910.60 = 2,485,705.40/x - Step 3: Cross multiply
4,550,690.62x = 6,279,910.60 × 2,485,705.40 - Step 4: Simplify right side
4,550,690.62x = 15,610,007,711,851.28 - Step 5: Solve for x
x = 15,610,007,711,851.28/4,550,690.62 - Step 6: Final answer
x = 3,430,250.26
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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.