Finding the Fourth Proportional to 3,438,350.54, 4,744,615.61 and 1,889,594.36
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Solution
The fourth proportional to 3,438,350.54, 4,744,615.61 and 1,889,594.36 is: 2,607,470.87
Step by Step Solution
- Step 1: Write the proportion equation
3,438,350.54 : 4,744,615.61 = 1,889,594.36 : x - Step 2: Convert to fraction form
3,438,350.54/4,744,615.61 = 1,889,594.36/x - Step 3: Cross multiply
3,438,350.54x = 4,744,615.61 × 1,889,594.36 - Step 4: Simplify right side
3,438,350.54x = 8,965,398,863,852.91 - Step 5: Solve for x
x = 8,965,398,863,852.91/3,438,350.54 - Step 6: Final answer
x = 2,607,470.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.