Finding the Fourth Proportional to 1,476,820.09, 2,215,229.89 and 354,889.09
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Solution
The fourth proportional to 1,476,820.09, 2,215,229.89 and 354,889.09 is: 532,333.58
Step by Step Solution
- Step 1: Write the proportion equation
1,476,820.09 : 2,215,229.89 = 354,889.09 : x - Step 2: Convert to fraction form
1,476,820.09/2,215,229.89 = 354,889.09/x - Step 3: Cross multiply
1,476,820.09x = 2,215,229.89 × 354,889.09 - Step 4: Simplify right side
1,476,820.09x = 786,160,919,802.90 - Step 5: Solve for x
x = 786,160,919,802.90/1,476,820.09 - Step 6: Final answer
x = 532,333.58
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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.