Finding the Fourth Proportional to 1,918,646.04, 2,647,662.18 and 1,059,187.88
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Solution
The fourth proportional to 1,918,646.04, 2,647,662.18 and 1,059,187.88 is: 1,461,640.99
Step by Step Solution
- Step 1: Write the proportion equation
1,918,646.04 : 2,647,662.18 = 1,059,187.88 : x - Step 2: Convert to fraction form
1,918,646.04/2,647,662.18 = 1,059,187.88/x - Step 3: Cross multiply
1,918,646.04x = 2,647,662.18 × 1,059,187.88 - Step 4: Simplify right side
1,918,646.04x = 2,804,371,691,390.38 - Step 5: Solve for x
x = 2,804,371,691,390.38/1,918,646.04 - Step 6: Final answer
x = 1,461,640.99
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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.