Finding the Fourth Proportional to 5,063,081.44, 6,987,026.88 and 2,739,972.16
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Solution
The fourth proportional to 5,063,081.44, 6,987,026.88 and 2,739,972.16 is: 3,781,147.78
Step by Step Solution
- Step 1: Write the proportion equation
5,063,081.44 : 6,987,026.88 = 2,739,972.16 : x - Step 2: Convert to fraction form
5,063,081.44/6,987,026.88 = 2,739,972.16/x - Step 3: Cross multiply
5,063,081.44x = 6,987,026.88 × 2,739,972.16 - Step 4: Simplify right side
5,063,081.44x = 19,144,259,132,371.66 - Step 5: Solve for x
x = 19,144,259,132,371.66/5,063,081.44 - Step 6: Final answer
x = 3,781,147.78
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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.