Finding the Fourth Proportional to 2,907,338.24, 4,010,426.16 and 1,889,420.96
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Solution
The fourth proportional to 2,907,338.24, 4,010,426.16 and 1,889,420.96 is: 2,606,295.73
Step by Step Solution
- Step 1: Write the proportion equation
2,907,338.24 : 4,010,426.16 = 1,889,420.96 : x - Step 2: Convert to fraction form
2,907,338.24/4,010,426.16 = 1,889,420.96/x - Step 3: Cross multiply
2,907,338.24x = 4,010,426.16 × 1,889,420.96 - Step 4: Simplify right side
2,907,338.24x = 7,577,383,245,236.31 - Step 5: Solve for x
x = 7,577,383,245,236.31/2,907,338.24 - Step 6: Final answer
x = 2,606,295.73
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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.