Finding the Fourth Proportional to 2,245,537.92, 3,098,805.84 and 1,226,920.80
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Solution
The fourth proportional to 2,245,537.92, 3,098,805.84 and 1,226,920.80 is: 1,693,130.77
Step by Step Solution
- Step 1: Write the proportion equation
2,245,537.92 : 3,098,805.84 = 1,226,920.80 : x - Step 2: Convert to fraction form
2,245,537.92/3,098,805.84 = 1,226,920.80/x - Step 3: Cross multiply
2,245,537.92x = 3,098,805.84 × 1,226,920.80 - Step 4: Simplify right side
2,245,537.92x = 3,801,989,340,257.47 - Step 5: Solve for x
x = 3,801,989,340,257.47/2,245,537.92 - Step 6: Final answer
x = 1,693,130.77
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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.