Finding the Fourth Proportional to 2,862,805.63, 3,950,679.97 and 1,639,129.92
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Solution
The fourth proportional to 2,862,805.63, 3,950,679.97 and 1,639,129.92 is: 2,262,003.99
Step by Step Solution
- Step 1: Write the proportion equation
2,862,805.63 : 3,950,679.97 = 1,639,129.92 : x - Step 2: Convert to fraction form
2,862,805.63/3,950,679.97 = 1,639,129.92/x - Step 3: Cross multiply
2,862,805.63x = 3,950,679.97 × 1,639,129.92 - Step 4: Simplify right side
2,862,805.63x = 6,475,677,743,171.70 - Step 5: Solve for x
x = 6,475,677,743,171.70/2,862,805.63 - Step 6: Final answer
x = 2,262,003.99
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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.