Finding the Fourth Proportional to 4,972,188.74, 6,861,551.52 and 2,796,733.40
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Solution
The fourth proportional to 4,972,188.74, 6,861,551.52 and 2,796,733.40 is: 3,859,453.31
Step by Step Solution
- Step 1: Write the proportion equation
4,972,188.74 : 6,861,551.52 = 2,796,733.40 : x - Step 2: Convert to fraction form
4,972,188.74/6,861,551.52 = 2,796,733.40/x - Step 3: Cross multiply
4,972,188.74x = 6,861,551.52 × 2,796,733.40 - Step 4: Simplify right side
4,972,188.74x = 19,189,930,277,497.01 - Step 5: Solve for x
x = 19,189,930,277,497.01/4,972,188.74 - Step 6: Final answer
x = 3,859,453.31
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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.