Finding the Fourth Proportional to 2,153,121.57, 3,230,313.96 and 636,844.50
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Solution
The fourth proportional to 2,153,121.57, 3,230,313.96 and 636,844.50 is: 955,453.56
Step by Step Solution
- Step 1: Write the proportion equation
2,153,121.57 : 3,230,313.96 = 636,844.50 : x - Step 2: Convert to fraction form
2,153,121.57/3,230,313.96 = 636,844.50/x - Step 3: Cross multiply
2,153,121.57x = 3,230,313.96 × 636,844.50 - Step 4: Simplify right side
2,153,121.57x = 2,057,207,678,699.22 - Step 5: Solve for x
x = 2,057,207,678,699.22/2,153,121.57 - Step 6: Final answer
x = 955,453.56
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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.