Finding the Fourth Proportional to 1,795,691.62, 2,478,107.13 and 979,947.94
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Solution
The fourth proportional to 1,795,691.62, 2,478,107.13 and 979,947.94 is: 1,352,356.92
Step by Step Solution
- Step 1: Write the proportion equation
1,795,691.62 : 2,478,107.13 = 979,947.94 : x - Step 2: Convert to fraction form
1,795,691.62/2,478,107.13 = 979,947.94/x - Step 3: Cross multiply
1,795,691.62x = 2,478,107.13 × 979,947.94 - Step 4: Simplify right side
1,795,691.62x = 2,428,415,977,431.40 - Step 5: Solve for x
x = 2,428,415,977,431.40/1,795,691.62 - Step 6: Final answer
x = 1,352,356.92
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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.