Finding the Fourth Proportional to 3,161,998.29, 4,742,287.57 and 1,454,501.69
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Solution
The fourth proportional to 3,161,998.29, 4,742,287.57 and 1,454,501.69 is: 2,181,425.99
Step by Step Solution
- Step 1: Write the proportion equation
3,161,998.29 : 4,742,287.57 = 1,454,501.69 : x - Step 2: Convert to fraction form
3,161,998.29/4,742,287.57 = 1,454,501.69/x - Step 3: Cross multiply
3,161,998.29x = 4,742,287.57 × 1,454,501.69 - Step 4: Simplify right side
3,161,998.29x = 6,897,665,254,047.05 - Step 5: Solve for x
x = 6,897,665,254,047.05/3,161,998.29 - Step 6: Final answer
x = 2,181,425.99
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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.