Finding the Fourth Proportional to 3,431,254.20, 5,146,918.29 and 1,035,119.63
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Solution
The fourth proportional to 3,431,254.20, 5,146,918.29 and 1,035,119.63 is: 1,552,690.60
Step by Step Solution
- Step 1: Write the proportion equation
3,431,254.20 : 5,146,918.29 = 1,035,119.63 : x - Step 2: Convert to fraction form
3,431,254.20/5,146,918.29 = 1,035,119.63/x - Step 3: Cross multiply
3,431,254.20x = 5,146,918.29 × 1,035,119.63 - Step 4: Simplify right side
3,431,254.20x = 5,327,676,130,250.44 - Step 5: Solve for x
x = 5,327,676,130,250.44/3,431,254.20 - Step 6: Final answer
x = 1,552,690.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.