Finding the Fourth Proportional to 5,796,856.29, 7,999,509.47 and 3,218,470.77
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Solution
The fourth proportional to 5,796,856.29, 7,999,509.47 and 3,218,470.77 is: 4,441,405.15
Step by Step Solution
- Step 1: Write the proportion equation
5,796,856.29 : 7,999,509.47 = 3,218,470.77 : x - Step 2: Convert to fraction form
5,796,856.29/7,999,509.47 = 3,218,470.77/x - Step 3: Cross multiply
5,796,856.29x = 7,999,509.47 × 3,218,470.77 - Step 4: Simplify right side
5,796,856.29x = 25,746,187,387,440.84 - Step 5: Solve for x
x = 25,746,187,387,440.84/5,796,856.29 - Step 6: Final answer
x = 4,441,405.15
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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.