Finding the Fourth Proportional to 3,925,108.56, 5,416,803.36 and 2,206,223.76
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Solution
The fourth proportional to 3,925,108.56, 5,416,803.36 and 2,206,223.76 is: 3,044,675.09
Step by Step Solution
- Step 1: Write the proportion equation
3,925,108.56 : 5,416,803.36 = 2,206,223.76 : x - Step 2: Convert to fraction form
3,925,108.56/5,416,803.36 = 2,206,223.76/x - Step 3: Cross multiply
3,925,108.56x = 5,416,803.36 × 2,206,223.76 - Step 4: Simplify right side
3,925,108.56x = 11,950,680,276,079.83 - Step 5: Solve for x
x = 11,950,680,276,079.83/3,925,108.56 - Step 6: Final answer
x = 3,044,675.09
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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.