Finding the Fourth Proportional to 5,424,656.91, 8,136,985.29 and 4,227,474.88
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Solution
The fourth proportional to 5,424,656.91, 8,136,985.29 and 4,227,474.88 is: 6,341,212.26
Step by Step Solution
- Step 1: Write the proportion equation
5,424,656.91 : 8,136,985.29 = 4,227,474.88 : x - Step 2: Convert to fraction form
5,424,656.91/8,136,985.29 = 4,227,474.88/x - Step 3: Cross multiply
5,424,656.91x = 8,136,985.29 × 4,227,474.88 - Step 4: Simplify right side
5,424,656.91x = 34,398,900,912,404.52 - Step 5: Solve for x
x = 34,398,900,912,404.52/5,424,656.91 - Step 6: Final answer
x = 6,341,212.26
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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.