Finding the Fourth Proportional to 4,278,359.32, 6,417,549.92 and 1,083,485.84
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Solution
The fourth proportional to 4,278,359.32, 6,417,549.92 and 1,083,485.84 is: 1,625,231.53
Step by Step Solution
- Step 1: Write the proportion equation
4,278,359.32 : 6,417,549.92 = 1,083,485.84 : x - Step 2: Convert to fraction form
4,278,359.32/6,417,549.92 = 1,083,485.84/x - Step 3: Cross multiply
4,278,359.32x = 6,417,549.92 × 1,083,485.84 - Step 4: Simplify right side
4,278,359.32x = 6,953,324,465,813.13 - Step 5: Solve for x
x = 6,953,324,465,813.13/4,278,359.32 - Step 6: Final answer
x = 1,625,231.53
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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.