Finding the Fourth Proportional to 5,609,415.18, 7,740,992.62 and 3,031,095.88
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Solution
The fourth proportional to 5,609,415.18, 7,740,992.62 and 3,031,095.88 is: 4,182,912.14
Step by Step Solution
- Step 1: Write the proportion equation
5,609,415.18 : 7,740,992.62 = 3,031,095.88 : x - Step 2: Convert to fraction form
5,609,415.18/7,740,992.62 = 3,031,095.88/x - Step 3: Cross multiply
5,609,415.18x = 7,740,992.62 × 3,031,095.88 - Step 4: Simplify right side
5,609,415.18x = 23,463,690,837,592.41 - Step 5: Solve for x
x = 23,463,690,837,592.41/5,609,415.18 - Step 6: Final answer
x = 4,182,912.14
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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.