Finding the Fourth Proportional to 4,829,785.80, 7,244,678.70 and 3,150,169.80
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Solution
The fourth proportional to 4,829,785.80, 7,244,678.70 and 3,150,169.80 is: 4,725,254.70
Step by Step Solution
- Step 1: Write the proportion equation
4,829,785.80 : 7,244,678.70 = 3,150,169.80 : x - Step 2: Convert to fraction form
4,829,785.80/7,244,678.70 = 3,150,169.80/x - Step 3: Cross multiply
4,829,785.80x = 7,244,678.70 × 3,150,169.80 - Step 4: Simplify right side
4,829,785.80x = 22,821,968,051,443.26 - Step 5: Solve for x
x = 22,821,968,051,443.26/4,829,785.80 - Step 6: Final answer
x = 4,725,254.70
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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.