Finding the Fourth Proportional to 3,467,305.69, 4,784,899.16 and 1,939,412.81
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Solution
The fourth proportional to 3,467,305.69, 4,784,899.16 and 1,939,412.81 is: 2,676,399.37
Step by Step Solution
- Step 1: Write the proportion equation
3,467,305.69 : 4,784,899.16 = 1,939,412.81 : x - Step 2: Convert to fraction form
3,467,305.69/4,784,899.16 = 1,939,412.81/x - Step 3: Cross multiply
3,467,305.69x = 4,784,899.16 × 1,939,412.81 - Step 4: Simplify right side
3,467,305.69x = 9,279,894,742,273.02 - Step 5: Solve for x
x = 9,279,894,742,273.02/3,467,305.69 - Step 6: Final answer
x = 2,676,399.37
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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.