Finding the Fourth Proportional to 2,848,703.09, 3,930,581.78 and 1,686,572.30
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Solution
The fourth proportional to 2,848,703.09, 3,930,581.78 and 1,686,572.30 is: 2,327,097.67
Step by Step Solution
- Step 1: Write the proportion equation
2,848,703.09 : 3,930,581.78 = 1,686,572.30 : x - Step 2: Convert to fraction form
2,848,703.09/3,930,581.78 = 1,686,572.30/x - Step 3: Cross multiply
2,848,703.09x = 3,930,581.78 × 1,686,572.30 - Step 4: Simplify right side
2,848,703.09x = 6,629,210,324,946.92 - Step 5: Solve for x
x = 6,629,210,324,946.92/2,848,703.09 - Step 6: Final answer
x = 2,327,097.67
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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.