Finding the Fourth Proportional to 1,498,717.90, 2,068,229.24 and 810,388.11
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Solution
The fourth proportional to 1,498,717.90, 2,068,229.24 and 810,388.11 is: 1,118,334.80
Step by Step Solution
- Step 1: Write the proportion equation
1,498,717.90 : 2,068,229.24 = 810,388.11 : x - Step 2: Convert to fraction form
1,498,717.90/2,068,229.24 = 810,388.11/x - Step 3: Cross multiply
1,498,717.90x = 2,068,229.24 × 810,388.11 - Step 4: Simplify right side
1,498,717.90x = 1,676,068,391,593.21 - Step 5: Solve for x
x = 1,676,068,391,593.21/1,498,717.90 - Step 6: Final answer
x = 1,118,334.80
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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.