Finding the Fourth Proportional to 4,161,649.70, 5,742,900.42 and 2,613,720.26
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Solution
The fourth proportional to 4,161,649.70, 5,742,900.42 and 2,613,720.26 is: 3,606,823.32
Step by Step Solution
- Step 1: Write the proportion equation
4,161,649.70 : 5,742,900.42 = 2,613,720.26 : x - Step 2: Convert to fraction form
4,161,649.70/5,742,900.42 = 2,613,720.26/x - Step 3: Cross multiply
4,161,649.70x = 5,742,900.42 × 2,613,720.26 - Step 4: Simplify right side
4,161,649.70x = 15,010,335,178,916.51 - Step 5: Solve for x
x = 15,010,335,178,916.51/4,161,649.70 - Step 6: Final answer
x = 3,606,823.32
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1.5x scale
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.