Finding the Fourth Proportional to 5,344,163.46, 7,374,747.99 and 2,896,721.96
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Solution
The fourth proportional to 5,344,163.46, 7,374,747.99 and 2,896,721.96 is: 3,997,369.21
Step by Step Solution
- Step 1: Write the proportion equation
5,344,163.46 : 7,374,747.99 = 2,896,721.96 : x - Step 2: Convert to fraction form
5,344,163.46/7,374,747.99 = 2,896,721.96/x - Step 3: Cross multiply
5,344,163.46x = 7,374,747.99 × 2,896,721.96 - Step 4: Simplify right side
5,344,163.46x = 21,362,594,452,098.86 - Step 5: Solve for x
x = 21,362,594,452,098.86/5,344,163.46 - Step 6: Final answer
x = 3,997,369.21
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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.