Finding the Fourth Proportional to 5,735,425.06, 7,914,886.47 and 3,121,939.10
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Solution
The fourth proportional to 5,735,425.06, 7,914,886.47 and 3,121,939.10 is: 4,308,275.90
Step by Step Solution
- Step 1: Write the proportion equation
5,735,425.06 : 7,914,886.47 = 3,121,939.10 : x - Step 2: Convert to fraction form
5,735,425.06/7,914,886.47 = 3,121,939.10/x - Step 3: Cross multiply
5,735,425.06x = 7,914,886.47 × 3,121,939.10 - Step 4: Simplify right side
5,735,425.06x = 24,709,793,562,541.19 - Step 5: Solve for x
x = 24,709,793,562,541.19/5,735,425.06 - Step 6: Final answer
x = 4,308,275.90
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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.