Finding the Fourth Proportional to 3,896,211.66, 5,376,887.67 and 2,177,337.18
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Solution
The fourth proportional to 3,896,211.66, 5,376,887.67 and 2,177,337.18 is: 3,004,789.90
Step by Step Solution
- Step 1: Write the proportion equation
3,896,211.66 : 5,376,887.67 = 2,177,337.18 : x - Step 2: Convert to fraction form
3,896,211.66/5,376,887.67 = 2,177,337.18/x - Step 3: Cross multiply
3,896,211.66x = 5,376,887.67 × 2,177,337.18 - Step 4: Simplify right side
3,896,211.66x = 11,707,297,436,574.57 - Step 5: Solve for x
x = 11,707,297,436,574.57/3,896,211.66 - Step 6: Final answer
x = 3,004,789.90
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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.