Finding the Fourth Proportional to 5,161,262.68, 7,742,195.34 and 1,567,146.88
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Solution
The fourth proportional to 5,161,262.68, 7,742,195.34 and 1,567,146.88 is: 2,350,811.81
Step by Step Solution
- Step 1: Write the proportion equation
5,161,262.68 : 7,742,195.34 = 1,567,146.88 : x - Step 2: Convert to fraction form
5,161,262.68/7,742,195.34 = 1,567,146.88/x - Step 3: Cross multiply
5,161,262.68x = 7,742,195.34 × 1,567,146.88 - Step 4: Simplify right side
5,161,262.68x = 12,133,157,271,431.54 - Step 5: Solve for x
x = 12,133,157,271,431.54/5,161,262.68 - Step 6: Final answer
x = 2,350,811.81
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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.