Finding the Fourth Proportional to 2,515,805.84, 3,471,797.28 and 1,369,883.36
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Solution
The fourth proportional to 2,515,805.84, 3,471,797.28 and 1,369,883.36 is: 1,890,430.99
Step by Step Solution
- Step 1: Write the proportion equation
2,515,805.84 : 3,471,797.28 = 1,369,883.36 : x - Step 2: Convert to fraction form
2,515,805.84/3,471,797.28 = 1,369,883.36/x - Step 3: Cross multiply
2,515,805.84x = 3,471,797.28 × 1,369,883.36 - Step 4: Simplify right side
2,515,805.84x = 4,755,957,323,165.26 - Step 5: Solve for x
x = 4,755,957,323,165.26/2,515,805.84 - Step 6: Final answer
x = 1,890,430.99
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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.