Finding the Fourth Proportional to 1,349,889.49, 1,862,850.85 and 738,081.74
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Solution
The fourth proportional to 1,349,889.49, 1,862,850.85 and 738,081.74 is: 1,018,554.63
Step by Step Solution
- Step 1: Write the proportion equation
1,349,889.49 : 1,862,850.85 = 738,081.74 : x - Step 2: Convert to fraction form
1,349,889.49/1,862,850.85 = 738,081.74/x - Step 3: Cross multiply
1,349,889.49x = 1,862,850.85 × 738,081.74 - Step 4: Simplify right side
1,349,889.49x = 1,374,936,187,414.22 - Step 5: Solve for x
x = 1,374,936,187,414.22/1,349,889.49 - Step 6: Final answer
x = 1,018,554.63
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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.