Finding the Fourth Proportional to 1,628,388.74, 2,442,589.35 and 681,094.94
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Solution
The fourth proportional to 1,628,388.74, 2,442,589.35 and 681,094.94 is: 1,021,645.02
Step by Step Solution
- Step 1: Write the proportion equation
1,628,388.74 : 2,442,589.35 = 681,094.94 : x - Step 2: Convert to fraction form
1,628,388.74/2,442,589.35 = 681,094.94/x - Step 3: Cross multiply
1,628,388.74x = 2,442,589.35 × 681,094.94 - Step 4: Simplify right side
1,628,388.74x = 1,663,635,246,782.89 - Step 5: Solve for x
x = 1,663,635,246,782.89/1,628,388.74 - Step 6: Final answer
x = 1,021,645.02
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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.