Finding the Fourth Proportional to 5,085,864.13, 7,018,495.33 and 2,794,172.44
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Solution
The fourth proportional to 5,085,864.13, 7,018,495.33 and 2,794,172.44 is: 3,855,959.52
Step by Step Solution
- Step 1: Write the proportion equation
5,085,864.13 : 7,018,495.33 = 2,794,172.44 : x - Step 2: Convert to fraction form
5,085,864.13/7,018,495.33 = 2,794,172.44/x - Step 3: Cross multiply
5,085,864.13x = 7,018,495.33 × 2,794,172.44 - Step 4: Simplify right side
5,085,864.13x = 19,610,886,186,262.23 - Step 5: Solve for x
x = 19,610,886,186,262.23/5,085,864.13 - Step 6: Final answer
x = 3,855,959.52
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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.