Finding the Fourth Proportional to 1,612,612.05, 2,416,080.48 and 1,516,608.21
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Solution
The fourth proportional to 1,612,612.05, 2,416,080.48 and 1,516,608.21 is: 2,272,243.65
Step by Step Solution
- Step 1: Write the proportion equation
1,612,612.05 : 2,416,080.48 = 1,516,608.21 : x - Step 2: Convert to fraction form
1,612,612.05/2,416,080.48 = 1,516,608.21/x - Step 3: Cross multiply
1,612,612.05x = 2,416,080.48 × 1,516,608.21 - Step 4: Simplify right side
1,612,612.05x = 3,664,247,491,988.74 - Step 5: Solve for x
x = 3,664,247,491,988.74/1,612,612.05 - Step 6: Final answer
x = 2,272,243.65
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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.