Finding the Fourth Proportional to 5,161,171.09, 7,742,687.48 and 2,126,848.02
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Solution
The fourth proportional to 5,161,171.09, 7,742,687.48 and 2,126,848.02 is: 3,190,655.62
Step by Step Solution
- Step 1: Write the proportion equation
5,161,171.09 : 7,742,687.48 = 2,126,848.02 : x - Step 2: Convert to fraction form
5,161,171.09/7,742,687.48 = 2,126,848.02/x - Step 3: Cross multiply
5,161,171.09x = 7,742,687.48 × 2,126,848.02 - Step 4: Simplify right side
5,161,171.09x = 16,467,519,536,316.79 - Step 5: Solve for x
x = 16,467,519,536,316.79/5,161,171.09 - Step 6: Final answer
x = 3,190,655.62
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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.