Finding the Fourth Proportional to 4,725,889.80, 7,088,834.70 and 2,330,881.80
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Solution
The fourth proportional to 4,725,889.80, 7,088,834.70 and 2,330,881.80 is: 3,496,322.70
Step by Step Solution
- Step 1: Write the proportion equation
4,725,889.80 : 7,088,834.70 = 2,330,881.80 : x - Step 2: Convert to fraction form
4,725,889.80/7,088,834.70 = 2,330,881.80/x - Step 3: Cross multiply
4,725,889.80x = 7,088,834.70 × 2,330,881.80 - Step 4: Simplify right side
4,725,889.80x = 16,523,235,785,438.46 - Step 5: Solve for x
x = 16,523,235,785,438.46/4,725,889.80 - Step 6: Final answer
x = 3,496,322.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.