Finding the Fourth Proportional to 1,638,199.08, 2,260,828.26 and 993,646.44
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Solution
The fourth proportional to 1,638,199.08, 2,260,828.26 and 993,646.44 is: 1,371,300.95
Step by Step Solution
- Step 1: Write the proportion equation
1,638,199.08 : 2,260,828.26 = 993,646.44 : x - Step 2: Convert to fraction form
1,638,199.08/2,260,828.26 = 993,646.44/x - Step 3: Cross multiply
1,638,199.08x = 2,260,828.26 × 993,646.44 - Step 4: Simplify right side
1,638,199.08x = 2,246,463,952,000.39 - Step 5: Solve for x
x = 2,246,463,952,000.39/1,638,199.08 - Step 6: Final answer
x = 1,371,300.95
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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.