Finding the Fourth Proportional to 4,332,564.21, 5,979,125.40 and 2,398,824.73
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Solution
The fourth proportional to 4,332,564.21, 5,979,125.40 and 2,398,824.73 is: 3,310,481.54
Step by Step Solution
- Step 1: Write the proportion equation
4,332,564.21 : 5,979,125.40 = 2,398,824.73 : x - Step 2: Convert to fraction form
4,332,564.21/5,979,125.40 = 2,398,824.73/x - Step 3: Cross multiply
4,332,564.21x = 5,979,125.40 × 2,398,824.73 - Step 4: Simplify right side
4,332,564.21x = 14,342,873,871,769.46 - Step 5: Solve for x
x = 14,342,873,871,769.46/4,332,564.21 - Step 6: Final answer
x = 3,310,481.54
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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.