Finding the Fourth Proportional to 3,896,193.74, 5,376,731.73 and 2,177,313.80
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Solution
The fourth proportional to 3,896,193.74, 5,376,731.73 and 2,177,313.80 is: 3,004,684.31
Step by Step Solution
- Step 1: Write the proportion equation
3,896,193.74 : 5,376,731.73 = 2,177,313.80 : x - Step 2: Convert to fraction form
3,896,193.74/5,376,731.73 = 2,177,313.80/x - Step 3: Cross multiply
3,896,193.74x = 5,376,731.73 × 2,177,313.80 - Step 4: Simplify right side
3,896,193.74x = 11,706,832,194,626.87 - Step 5: Solve for x
x = 11,706,832,194,626.87/3,896,193.74 - Step 6: Final answer
x = 3,004,684.31
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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.