Finding the Fourth Proportional to 2,135,682.84, 2,947,202.88 and 1,168,793.66
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Solution
The fourth proportional to 2,135,682.84, 2,947,202.88 and 1,168,793.66 is: 1,612,913.67
Step by Step Solution
- Step 1: Write the proportion equation
2,135,682.84 : 2,947,202.88 = 1,168,793.66 : x - Step 2: Convert to fraction form
2,135,682.84/2,947,202.88 = 1,168,793.66/x - Step 3: Cross multiply
2,135,682.84x = 2,947,202.88 × 1,168,793.66 - Step 4: Simplify right side
2,135,682.84x = 3,444,672,040,877.74 - Step 5: Solve for x
x = 3,444,672,040,877.74/2,135,682.84 - Step 6: Final answer
x = 1,612,913.67
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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.