Finding the Fourth Proportional to 2,018,839.95, 2,784,423.70 and 1,293,755.09
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Solution
The fourth proportional to 2,018,839.95, 2,784,423.70 and 1,293,755.09 is: 1,784,372.42
Step by Step Solution
- Step 1: Write the proportion equation
2,018,839.95 : 2,784,423.70 = 1,293,755.09 : x - Step 2: Convert to fraction form
2,018,839.95/2,784,423.70 = 1,293,755.09/x - Step 3: Cross multiply
2,018,839.95x = 2,784,423.70 × 1,293,755.09 - Step 4: Simplify right side
2,018,839.95x = 3,602,362,322,286.71 - Step 5: Solve for x
x = 3,602,362,322,286.71/2,018,839.95 - Step 6: Final answer
x = 1,784,372.42
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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.