Finding the Fourth Proportional to 2,134,557.84, 2,945,665.88 and 1,167,676.62
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Solution
The fourth proportional to 2,134,557.84, 2,945,665.88 and 1,167,676.62 is: 1,611,380.64
Step by Step Solution
- Step 1: Write the proportion equation
2,134,557.84 : 2,945,665.88 = 1,167,676.62 : x - Step 2: Convert to fraction form
2,134,557.84/2,945,665.88 = 1,167,676.62/x - Step 3: Cross multiply
2,134,557.84x = 2,945,665.88 × 1,167,676.62 - Step 4: Simplify right side
2,134,557.84x = 3,439,585,178,407.73 - Step 5: Solve for x
x = 3,439,585,178,407.73/2,134,557.84 - Step 6: Final answer
x = 1,611,380.64
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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.