Finding the Fourth Proportional to 3,177,153.08, 4,384,450.80 and 1,819,288.52
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Solution
The fourth proportional to 3,177,153.08, 4,384,450.80 and 1,819,288.52 is: 2,510,606.45
Step by Step Solution
- Step 1: Write the proportion equation
3,177,153.08 : 4,384,450.80 = 1,819,288.52 : x - Step 2: Convert to fraction form
3,177,153.08/4,384,450.80 = 1,819,288.52/x - Step 3: Cross multiply
3,177,153.08x = 4,384,450.80 × 1,819,288.52 - Step 4: Simplify right side
3,177,153.08x = 7,976,581,006,944.82 - Step 5: Solve for x
x = 7,976,581,006,944.82/3,177,153.08 - Step 6: Final answer
x = 2,510,606.45
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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.