Finding the Fourth Proportional to 5,609,413.19, 7,740,989.87 and 3,031,093.88
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Solution
The fourth proportional to 5,609,413.19, 7,740,989.87 and 3,031,093.88 is: 4,182,909.37
Step by Step Solution
- Step 1: Write the proportion equation
5,609,413.19 : 7,740,989.87 = 3,031,093.88 : x - Step 2: Convert to fraction form
5,609,413.19/7,740,989.87 = 3,031,093.88/x - Step 3: Cross multiply
5,609,413.19x = 7,740,989.87 × 3,031,093.88 - Step 4: Simplify right side
5,609,413.19x = 23,463,666,966,238.58 - Step 5: Solve for x
x = 23,463,666,966,238.58/5,609,413.19 - Step 6: Final answer
x = 4,182,909.37
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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.