Finding the Fourth Proportional to 2,515,635.36, 3,471,531.84 and 1,369,694.88
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Solution
The fourth proportional to 2,515,635.36, 3,471,531.84 and 1,369,694.88 is: 1,890,154.46
Step by Step Solution
- Step 1: Write the proportion equation
2,515,635.36 : 3,471,531.84 = 1,369,694.88 : x - Step 2: Convert to fraction form
2,515,635.36/3,471,531.84 = 1,369,694.88/x - Step 3: Cross multiply
2,515,635.36x = 3,471,531.84 × 1,369,694.88 - Step 4: Simplify right side
2,515,635.36x = 4,754,939,387,004.98 - Step 5: Solve for x
x = 4,754,939,387,004.98/2,515,635.36 - Step 6: Final answer
x = 1,890,154.46
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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.