Finding the Fourth Proportional to 1,795,723.46, 2,478,151.14 and 979,979.84
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Solution
The fourth proportional to 1,795,723.46, 2,478,151.14 and 979,979.84 is: 1,352,400.97
Step by Step Solution
- Step 1: Write the proportion equation
1,795,723.46 : 2,478,151.14 = 979,979.84 : x - Step 2: Convert to fraction form
1,795,723.46/2,478,151.14 = 979,979.84/x - Step 3: Cross multiply
1,795,723.46x = 2,478,151.14 × 979,979.84 - Step 4: Simplify right side
1,795,723.46x = 2,428,538,157,673.02 - Step 5: Solve for x
x = 2,428,538,157,673.02/1,795,723.46 - Step 6: Final answer
x = 1,352,400.97
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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.