Finding the Fourth Proportional to 1,638,201.76, 2,458,409.80 and 573,253.04
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Solution
The fourth proportional to 1,638,201.76, 2,458,409.80 and 573,253.04 is: 860,266.99
Step by Step Solution
- Step 1: Write the proportion equation
1,638,201.76 : 2,458,409.80 = 573,253.04 : x - Step 2: Convert to fraction form
1,638,201.76/2,458,409.80 = 573,253.04/x - Step 3: Cross multiply
1,638,201.76x = 2,458,409.80 × 573,253.04 - Step 4: Simplify right side
1,638,201.76x = 1,409,290,891,415.79 - Step 5: Solve for x
x = 1,409,290,891,415.79/1,638,201.76 - Step 6: Final answer
x = 860,266.99
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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.