Finding the Fourth Proportional to 3,783,490.56, 5,221,328.03 and 2,064,721.99
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Solution
The fourth proportional to 3,783,490.56, 5,221,328.03 and 2,064,721.99 is: 2,849,376.95
Step by Step Solution
- Step 1: Write the proportion equation
3,783,490.56 : 5,221,328.03 = 2,064,721.99 : x - Step 2: Convert to fraction form
3,783,490.56/5,221,328.03 = 2,064,721.99/x - Step 3: Cross multiply
3,783,490.56x = 5,221,328.03 × 2,064,721.99 - Step 4: Simplify right side
3,783,490.56x = 10,780,590,800,544.38 - Step 5: Solve for x
x = 10,780,590,800,544.38/3,783,490.56 - Step 6: Final answer
x = 2,849,376.95
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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.