Finding the Fourth Proportional to 5,206,517.19, 7,806,785.47 and 2,774,676.47
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Solution
The fourth proportional to 5,206,517.19, 7,806,785.47 and 2,774,676.47 is: 4,160,421.09
Step by Step Solution
- Step 1: Write the proportion equation
5,206,517.19 : 7,806,785.47 = 2,774,676.47 : x - Step 2: Convert to fraction form
5,206,517.19/7,806,785.47 = 2,774,676.47/x - Step 3: Cross multiply
5,206,517.19x = 7,806,785.47 × 2,774,676.47 - Step 4: Simplify right side
5,206,517.19x = 21,661,303,903,976.27 - Step 5: Solve for x
x = 21,661,303,903,976.27/5,206,517.19 - Step 6: Final answer
x = 4,160,421.09
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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.