Finding the Fourth Proportional to 5,358,651.15, 7,394,907.24 and 2,911,242.63
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Solution
The fourth proportional to 5,358,651.15, 7,394,907.24 and 2,911,242.63 is: 4,017,497.80
Step by Step Solution
- Step 1: Write the proportion equation
5,358,651.15 : 7,394,907.24 = 2,911,242.63 : x - Step 2: Convert to fraction form
5,358,651.15/7,394,907.24 = 2,911,242.63/x - Step 3: Cross multiply
5,358,651.15x = 7,394,907.24 × 2,911,242.63 - Step 4: Simplify right side
5,358,651.15x = 21,528,369,201,983.64 - Step 5: Solve for x
x = 21,528,369,201,983.64/5,358,651.15 - Step 6: Final answer
x = 4,017,497.80
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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.