Finding the Fourth Proportional to 4,415,640.57, 6,623,461.37 and 1,383,242.74
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Solution
The fourth proportional to 4,415,640.57, 6,623,461.37 and 1,383,242.74 is: 2,074,864.27
Step by Step Solution
- Step 1: Write the proportion equation
4,415,640.57 : 6,623,461.37 = 1,383,242.74 : x - Step 2: Convert to fraction form
4,415,640.57/6,623,461.37 = 1,383,242.74/x - Step 3: Cross multiply
4,415,640.57x = 6,623,461.37 × 1,383,242.74 - Step 4: Simplify right side
4,415,640.57x = 9,161,854,857,998.38 - Step 5: Solve for x
x = 9,161,854,857,998.38/4,415,640.57 - Step 6: Final answer
x = 2,074,864.27
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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.