Finding the Fourth Proportional to 2,091,463.68, 3,136,899.84 and 671,642.88
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Solution
The fourth proportional to 2,091,463.68, 3,136,899.84 and 671,642.88 is: 1,007,369.37
Step by Step Solution
- Step 1: Write the proportion equation
2,091,463.68 : 3,136,899.84 = 671,642.88 : x - Step 2: Convert to fraction form
2,091,463.68/3,136,899.84 = 671,642.88/x - Step 3: Cross multiply
2,091,463.68x = 3,136,899.84 × 671,642.88 - Step 4: Simplify right side
2,091,463.68x = 2,106,876,442,809.14 - Step 5: Solve for x
x = 2,106,876,442,809.14/2,091,463.68 - Step 6: Final answer
x = 1,007,369.37
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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.