Finding the Fourth Proportional to 5,720,273.06, 7,894,033.79 and 3,106,828.17
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Solution
The fourth proportional to 5,720,273.06, 7,894,033.79 and 3,106,828.17 is: 4,287,453.82
Step by Step Solution
- Step 1: Write the proportion equation
5,720,273.06 : 7,894,033.79 = 3,106,828.17 : x - Step 2: Convert to fraction form
5,720,273.06/7,894,033.79 = 3,106,828.17/x - Step 3: Cross multiply
5,720,273.06x = 7,894,033.79 × 3,106,828.17 - Step 4: Simplify right side
5,720,273.06x = 24,525,406,538,169.72 - Step 5: Solve for x
x = 24,525,406,538,169.72/5,720,273.06 - Step 6: Final answer
x = 4,287,453.82
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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.