Finding the Fourth Proportional to 2,374,381.05, 3,276,648.62 and 1,286,643.11
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Solution
The fourth proportional to 2,374,381.05, 3,276,648.62 and 1,286,643.11 is: 1,775,568.99
Step by Step Solution
- Step 1: Write the proportion equation
2,374,381.05 : 3,276,648.62 = 1,286,643.11 : x - Step 2: Convert to fraction form
2,374,381.05/3,276,648.62 = 1,286,643.11/x - Step 3: Cross multiply
2,374,381.05x = 3,276,648.62 × 1,286,643.11 - Step 4: Simplify right side
2,374,381.05x = 4,215,877,369,013.19 - Step 5: Solve for x
x = 4,215,877,369,013.19/2,374,381.05 - Step 6: Final answer
x = 1,775,568.99
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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.