Finding the Fourth Proportional to 5,030,382.49, 6,941,710.07 and 2,738,551.21
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Solution
The fourth proportional to 5,030,382.49, 6,941,710.07 and 2,738,551.21 is: 3,779,082.11
Step by Step Solution
- Step 1: Write the proportion equation
5,030,382.49 : 6,941,710.07 = 2,738,551.21 : x - Step 2: Convert to fraction form
5,030,382.49/6,941,710.07 = 2,738,551.21/x - Step 3: Cross multiply
5,030,382.49x = 6,941,710.07 × 2,738,551.21 - Step 4: Simplify right side
5,030,382.49x = 19,010,228,497,974.93 - Step 5: Solve for x
x = 19,010,228,497,974.93/5,030,382.49 - Step 6: Final answer
x = 3,779,082.11
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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.