Finding the Fourth Proportional to 5,444,981.19, 7,514,513.33 and 3,122,089.84
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Solution
The fourth proportional to 5,444,981.19, 7,514,513.33 and 3,122,089.84 is: 4,308,735.86
Step by Step Solution
- Step 1: Write the proportion equation
5,444,981.19 : 7,514,513.33 = 3,122,089.84 : x - Step 2: Convert to fraction form
5,444,981.19/7,514,513.33 = 3,122,089.84/x - Step 3: Cross multiply
5,444,981.19x = 7,514,513.33 × 3,122,089.84 - Step 4: Simplify right side
5,444,981.19x = 23,460,985,720,137.57 - Step 5: Solve for x
x = 23,460,985,720,137.57/5,444,981.19 - Step 6: Final answer
x = 4,308,735.86
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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.