Finding the Fourth Proportional to 5,243,474.88, 7,239,475.44 and 3,286,294.56
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Solution
The fourth proportional to 5,243,474.88, 7,239,475.44 and 3,286,294.56 is: 4,537,267.61
Step by Step Solution
- Step 1: Write the proportion equation
5,243,474.88 : 7,239,475.44 = 3,286,294.56 : x - Step 2: Convert to fraction form
5,243,474.88/7,239,475.44 = 3,286,294.56/x - Step 3: Cross multiply
5,243,474.88x = 7,239,475.44 × 3,286,294.56 - Step 4: Simplify right side
5,243,474.88x = 23,791,048,755,725.61 - Step 5: Solve for x
x = 23,791,048,755,725.61/5,243,474.88 - Step 6: Final answer
x = 4,537,267.61
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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.