Finding the Fourth Proportional to 4,889,121.48, 6,746,440.44 and 2,713,756.32
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Solution
The fourth proportional to 4,889,121.48, 6,746,440.44 and 2,713,756.32 is: 3,744,679.99
Step by Step Solution
- Step 1: Write the proportion equation
4,889,121.48 : 6,746,440.44 = 2,713,756.32 : x - Step 2: Convert to fraction form
4,889,121.48/6,746,440.44 = 2,713,756.32/x - Step 3: Cross multiply
4,889,121.48x = 6,746,440.44 × 2,713,756.32 - Step 4: Simplify right side
4,889,121.48x = 18,308,195,381,553.58 - Step 5: Solve for x
x = 18,308,195,381,553.58/4,889,121.48 - Step 6: Final answer
x = 3,744,679.99
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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.