Finding the Fourth Proportional to 4,272,187.68, 5,902,022.34 and 2,805,575.76
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Solution
The fourth proportional to 4,272,187.68, 5,902,022.34 and 2,805,575.76 is: 3,875,899.67
Step by Step Solution
- Step 1: Write the proportion equation
4,272,187.68 : 5,902,022.34 = 2,805,575.76 : x - Step 2: Convert to fraction form
4,272,187.68/5,902,022.34 = 2,805,575.76/x - Step 3: Cross multiply
4,272,187.68x = 5,902,022.34 × 2,805,575.76 - Step 4: Simplify right side
4,272,187.68x = 16,558,570,812,082.48 - Step 5: Solve for x
x = 16,558,570,812,082.48/4,272,187.68 - Step 6: Final answer
x = 3,875,899.67
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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.