Finding the Fourth Proportional to 3,552,681.21, 4,902,402.06 and 2,102,122.46
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Solution
The fourth proportional to 3,552,681.21, 4,902,402.06 and 2,102,122.46 is: 2,900,752.66
Step by Step Solution
- Step 1: Write the proportion equation
3,552,681.21 : 4,902,402.06 = 2,102,122.46 : x - Step 2: Convert to fraction form
3,552,681.21/4,902,402.06 = 2,102,122.46/x - Step 3: Cross multiply
3,552,681.21x = 4,902,402.06 × 2,102,122.46 - Step 4: Simplify right side
3,552,681.21x = 10,305,449,453,764.26 - Step 5: Solve for x
x = 10,305,449,453,764.26/3,552,681.21 - Step 6: Final answer
x = 2,900,752.66
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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.