Finding the Fourth Proportional to 2,072,754.56, 2,860,362.92 and 1,129,778.18
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Solution
The fourth proportional to 2,072,754.56, 2,860,362.92 and 1,129,778.18 is: 1,559,072.97
Step by Step Solution
- Step 1: Write the proportion equation
2,072,754.56 : 2,860,362.92 = 1,129,778.18 : x - Step 2: Convert to fraction form
2,072,754.56/2,860,362.92 = 1,129,778.18/x - Step 3: Cross multiply
2,072,754.56x = 2,860,362.92 × 1,129,778.18 - Step 4: Simplify right side
2,072,754.56x = 3,231,575,613,146.08 - Step 5: Solve for x
x = 3,231,575,613,146.08/2,072,754.56 - Step 6: Final answer
x = 1,559,072.97
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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.