Finding the Fourth Proportional to 2,186,553.84, 3,015,479.60 and 1,370,846.56
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Solution
The fourth proportional to 2,186,553.84, 3,015,479.60 and 1,370,846.56 is: 1,890,536.50
Step by Step Solution
- Step 1: Write the proportion equation
2,186,553.84 : 3,015,479.60 = 1,370,846.56 : x - Step 2: Convert to fraction form
2,186,553.84/3,015,479.60 = 1,370,846.56/x - Step 3: Cross multiply
2,186,553.84x = 3,015,479.60 × 1,370,846.56 - Step 4: Simplify right side
2,186,553.84x = 4,133,759,836,410.18 - Step 5: Solve for x
x = 4,133,759,836,410.18/2,186,553.84 - Step 6: Final answer
x = 1,890,536.50
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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.