Finding the Fourth Proportional to 6,492,843.60, 9,739,265.40 and 1,765,035.60
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Solution
The fourth proportional to 6,492,843.60, 9,739,265.40 and 1,765,035.60 is: 2,647,553.40
Step by Step Solution
- Step 1: Write the proportion equation
6,492,843.60 : 9,739,265.40 = 1,765,035.60 : x - Step 2: Convert to fraction form
6,492,843.60/9,739,265.40 = 1,765,035.60/x - Step 3: Cross multiply
6,492,843.60x = 9,739,265.40 × 1,765,035.60 - Step 4: Simplify right side
6,492,843.60x = 17,190,150,148,848.24 - Step 5: Solve for x
x = 17,190,150,148,848.24/6,492,843.60 - Step 6: Final answer
x = 2,647,553.40
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1.5x scale
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.