Finding the Fourth Proportional to 5,043,313.55, 6,959,489.06 and 2,868,385.79
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Solution
The fourth proportional to 5,043,313.55, 6,959,489.06 and 2,868,385.79 is: 3,958,211.07
Step by Step Solution
- Step 1: Write the proportion equation
5,043,313.55 : 6,959,489.06 = 2,868,385.79 : x - Step 2: Convert to fraction form
5,043,313.55/6,959,489.06 = 2,868,385.79/x - Step 3: Cross multiply
5,043,313.55x = 6,959,489.06 × 2,868,385.79 - Step 4: Simplify right side
5,043,313.55x = 19,962,499,497,737.98 - Step 5: Solve for x
x = 19,962,499,497,737.98/5,043,313.55 - Step 6: Final answer
x = 3,958,211.07
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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.