Finding the Fourth Proportional to 4,138,205.70, 6,203,614.95 and 1,613,273.70
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Solution
The fourth proportional to 4,138,205.70, 6,203,614.95 and 1,613,273.70 is: 2,418,470.61
Step by Step Solution
- Step 1: Write the proportion equation
4,138,205.70 : 6,203,614.95 = 1,613,273.70 : x - Step 2: Convert to fraction form
4,138,205.70/6,203,614.95 = 1,613,273.70/x - Step 3: Cross multiply
4,138,205.70x = 6,203,614.95 × 1,613,273.70 - Step 4: Simplify right side
4,138,205.70x = 10,008,128,843,761.81 - Step 5: Solve for x
x = 10,008,128,843,761.81/4,138,205.70 - Step 6: Final answer
x = 2,418,470.61
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1.5x scale
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.