Finding the Fourth Proportional to 5,405,342.58, 7,467,474.93 and 3,549,161.87
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Solution
The fourth proportional to 5,405,342.58, 7,467,474.93 and 3,549,161.87 is: 4,903,163.28
Step by Step Solution
- Step 1: Write the proportion equation
5,405,342.58 : 7,467,474.93 = 3,549,161.87 : x - Step 2: Convert to fraction form
5,405,342.58/7,467,474.93 = 3,549,161.87/x - Step 3: Cross multiply
5,405,342.58x = 7,467,474.93 × 3,549,161.87 - Step 4: Simplify right side
5,405,342.58x = 26,503,277,249,399.55 - Step 5: Solve for x
x = 26,503,277,249,399.55/5,405,342.58 - Step 6: Final answer
x = 4,903,163.28
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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.