Finding the Fourth Proportional to 4,367,785.70, 6,551,678.55 and 2,242,021.70
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Solution
The fourth proportional to 4,367,785.70, 6,551,678.55 and 2,242,021.70 is: 3,363,032.55
Step by Step Solution
- Step 1: Write the proportion equation
4,367,785.70 : 6,551,678.55 = 2,242,021.70 : x - Step 2: Convert to fraction form
4,367,785.70/6,551,678.55 = 2,242,021.70/x - Step 3: Cross multiply
4,367,785.70x = 6,551,678.55 × 2,242,021.70 - Step 4: Simplify right side
4,367,785.70x = 14,689,005,480,524.54 - Step 5: Solve for x
x = 14,689,005,480,524.54/4,367,785.70 - Step 6: Final answer
x = 3,363,032.55
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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.