Finding the Fourth Proportional to 2,102,508.91, 2,901,028.39 and 1,338,283.63
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Solution
The fourth proportional to 2,102,508.91, 2,901,028.39 and 1,338,283.63 is: 1,846,555.22
Step by Step Solution
- Step 1: Write the proportion equation
2,102,508.91 : 2,901,028.39 = 1,338,283.63 : x - Step 2: Convert to fraction form
2,102,508.91/2,901,028.39 = 1,338,283.63/x - Step 3: Cross multiply
2,102,508.91x = 2,901,028.39 × 1,338,283.63 - Step 4: Simplify right side
2,102,508.91x = 3,882,398,804,502.26 - Step 5: Solve for x
x = 3,882,398,804,502.26/2,102,508.91 - Step 6: Final answer
x = 1,846,555.22
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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.