Finding the Fourth Proportional to 1,538,470.31, 2,123,083.77 and 850,122.99
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Solution
The fourth proportional to 1,538,470.31, 2,123,083.77 and 850,122.99 is: 1,173,166.82
Step by Step Solution
- Step 1: Write the proportion equation
1,538,470.31 : 2,123,083.77 = 850,122.99 : x - Step 2: Convert to fraction form
1,538,470.31/2,123,083.77 = 850,122.99/x - Step 3: Cross multiply
1,538,470.31x = 2,123,083.77 × 850,122.99 - Step 4: Simplify right side
1,538,470.31x = 1,804,882,322,572.87 - Step 5: Solve for x
x = 1,804,882,322,572.87/1,538,470.31 - Step 6: Final answer
x = 1,173,166.82
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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.