Finding the Fourth Proportional to 5,169,412.16, 7,749,078.24 and 2,473,033.28
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Solution
The fourth proportional to 5,169,412.16, 7,749,078.24 and 2,473,033.28 is: 3,707,138.80
Step by Step Solution
- Step 1: Write the proportion equation
5,169,412.16 : 7,749,078.24 = 2,473,033.28 : x - Step 2: Convert to fraction form
5,169,412.16/7,749,078.24 = 2,473,033.28/x - Step 3: Cross multiply
5,169,412.16x = 7,749,078.24 × 2,473,033.28 - Step 4: Simplify right side
5,169,412.16x = 19,163,728,376,843.82 - Step 5: Solve for x
x = 19,163,728,376,843.82/5,169,412.16 - Step 6: Final answer
x = 3,707,138.80
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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.