Finding the Fourth Proportional to 3,783,528.75, 5,221,379.96 and 2,064,759.99
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Solution
The fourth proportional to 3,783,528.75, 5,221,379.96 and 2,064,759.99 is: 2,849,428.97
Step by Step Solution
- Step 1: Write the proportion equation
3,783,528.75 : 5,221,379.96 = 2,064,759.99 : x - Step 2: Convert to fraction form
3,783,528.75/5,221,379.96 = 2,064,759.99/x - Step 3: Cross multiply
3,783,528.75x = 5,221,379.96 × 2,064,759.99 - Step 4: Simplify right side
3,783,528.75x = 10,780,896,433,995.80 - Step 5: Solve for x
x = 10,780,896,433,995.80/3,783,528.75 - Step 6: Final answer
x = 2,849,428.97
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1.5x scale
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.