Finding the Fourth Proportional to 2,964,855.14, 4,091,938.92 and 1,877,227.64
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Solution
The fourth proportional to 2,964,855.14, 4,091,938.92 and 1,877,227.64 is: 2,590,851.99
Step by Step Solution
- Step 1: Write the proportion equation
2,964,855.14 : 4,091,938.92 = 1,877,227.64 : x - Step 2: Convert to fraction form
2,964,855.14/4,091,938.92 = 1,877,227.64/x - Step 3: Cross multiply
2,964,855.14x = 4,091,938.92 × 1,877,227.64 - Step 4: Simplify right side
2,964,855.14x = 7,681,500,821,356.05 - Step 5: Solve for x
x = 7,681,500,821,356.05/2,964,855.14 - Step 6: Final answer
x = 2,590,851.99
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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.