Finding the Fourth Proportional to 1,784,130.12, 2,676,720.06 and 718,623.72
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Solution
The fourth proportional to 1,784,130.12, 2,676,720.06 and 718,623.72 is: 1,078,146.99
Step by Step Solution
- Step 1: Write the proportion equation
1,784,130.12 : 2,676,720.06 = 718,623.72 : x - Step 2: Convert to fraction form
1,784,130.12/2,676,720.06 = 718,623.72/x - Step 3: Cross multiply
1,784,130.12x = 2,676,720.06 × 718,623.72 - Step 4: Simplify right side
1,784,130.12x = 1,923,554,526,915.82 - Step 5: Solve for x
x = 1,923,554,526,915.82/1,784,130.12 - Step 6: Final answer
x = 1,078,146.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.