Finding the Fourth Proportional to 5,402,342.52, 7,447,936.92 and 3,465,240.12
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Solution
The fourth proportional to 5,402,342.52, 7,447,936.92 and 3,465,240.12 is: 4,777,351.63
Step by Step Solution
- Step 1: Write the proportion equation
5,402,342.52 : 7,447,936.92 = 3,465,240.12 : x - Step 2: Convert to fraction form
5,402,342.52/7,447,936.92 = 3,465,240.12/x - Step 3: Cross multiply
5,402,342.52x = 7,447,936.92 × 3,465,240.12 - Step 4: Simplify right side
5,402,342.52x = 25,808,889,826,413.23 - Step 5: Solve for x
x = 25,808,889,826,413.23/5,402,342.52 - Step 6: Final answer
x = 4,777,351.63
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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.