Finding the Fourth Proportional to 3,896,310.24, 5,376,892.41 and 2,177,430.30
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Solution
The fourth proportional to 3,896,310.24, 5,376,892.41 and 2,177,430.30 is: 3,004,845.03
Step by Step Solution
- Step 1: Write the proportion equation
3,896,310.24 : 5,376,892.41 = 2,177,430.30 : x - Step 2: Convert to fraction form
3,896,310.24/5,376,892.41 = 2,177,430.30/x - Step 3: Cross multiply
3,896,310.24x = 5,376,892.41 × 2,177,430.30 - Step 4: Simplify right side
3,896,310.24x = 11,707,808,453,374.02 - Step 5: Solve for x
x = 11,707,808,453,374.02/3,896,310.24 - Step 6: Final answer
x = 3,004,845.03
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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.