Finding the Fourth Proportional to 1,585,524.36, 2,378,649.84 and 687,116.92
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Solution
The fourth proportional to 1,585,524.36, 2,378,649.84 and 687,116.92 is: 1,030,832.82
Step by Step Solution
- Step 1: Write the proportion equation
1,585,524.36 : 2,378,649.84 = 687,116.92 : x - Step 2: Convert to fraction form
1,585,524.36/2,378,649.84 = 687,116.92/x - Step 3: Cross multiply
1,585,524.36x = 2,378,649.84 × 687,116.92 - Step 4: Simplify right side
1,585,524.36x = 1,634,410,551,819.29 - Step 5: Solve for x
x = 1,634,410,551,819.29/1,585,524.36 - Step 6: Final answer
x = 1,030,832.82
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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.