Finding the Fourth Proportional to 2,078,502.10, 3,117,850.35 and 658,669.30
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Solution
The fourth proportional to 2,078,502.10, 3,117,850.35 and 658,669.30 is: 988,034.75
Step by Step Solution
- Step 1: Write the proportion equation
2,078,502.10 : 3,117,850.35 = 658,669.30 : x - Step 2: Convert to fraction form
2,078,502.10/3,117,850.35 = 658,669.30/x - Step 3: Cross multiply
2,078,502.10x = 3,117,850.35 × 658,669.30 - Step 4: Simplify right side
2,078,502.10x = 2,053,632,307,539.26 - Step 5: Solve for x
x = 2,053,632,307,539.26/2,078,502.10 - Step 6: Final answer
x = 988,034.75
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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.