Finding the Fourth Proportional to 1,390,709.49, 2,082,326.70 and 882,519
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Solution
The fourth proportional to 1,390,709.49, 2,082,326.70 and 882,519 is: 1,321,406.73
Step by Step Solution
- Step 1: Write the proportion equation
1,390,709.49 : 2,082,326.70 = 882,519 : x - Step 2: Convert to fraction form
1,390,709.49/2,082,326.70 = 882,519/x - Step 3: Cross multiply
1,390,709.49x = 2,082,326.70 × 882,519 - Step 4: Simplify right side
1,390,709.49x = 1,837,692,876,957.30 - Step 5: Solve for x
x = 1,837,692,876,957.30/1,390,709.49 - Step 6: Final answer
x = 1,321,406.73
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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.