Finding the Fourth Proportional to 3,543,160.44, 5,312,165.94 and 1,412,605.56
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Solution
The fourth proportional to 3,543,160.44, 5,312,165.94 and 1,412,605.56 is: 2,117,881.84
Step by Step Solution
- Step 1: Write the proportion equation
3,543,160.44 : 5,312,165.94 = 1,412,605.56 : x - Step 2: Convert to fraction form
3,543,160.44/5,312,165.94 = 1,412,605.56/x - Step 3: Cross multiply
3,543,160.44x = 5,312,165.94 × 1,412,605.56 - Step 4: Simplify right side
3,543,160.44x = 7,503,995,142,486.63 - Step 5: Solve for x
x = 7,503,995,142,486.63/3,543,160.44 - Step 6: Final answer
x = 2,117,881.84
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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.