Finding the Fourth Proportional to 3,532,837.84, 4,872,991.12 and 2,551,142.07
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Solution
The fourth proportional to 3,532,837.84, 4,872,991.12 and 2,551,142.07 is: 3,518,897.05
Step by Step Solution
- Step 1: Write the proportion equation
3,532,837.84 : 4,872,991.12 = 2,551,142.07 : x - Step 2: Convert to fraction form
3,532,837.84/4,872,991.12 = 2,551,142.07/x - Step 3: Cross multiply
3,532,837.84x = 4,872,991.12 × 2,551,142.07 - Step 4: Simplify right side
3,532,837.84x = 12,431,692,652,968.42 - Step 5: Solve for x
x = 12,431,692,652,968.42/3,532,837.84 - Step 6: Final answer
x = 3,518,897.05
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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.