Finding the Fourth Proportional to 6,480,473.94, 8,943,129.09 and 3,579,804.72
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Solution
The fourth proportional to 6,480,473.94, 8,943,129.09 and 3,579,804.72 is: 4,940,171.97
Step by Step Solution
- Step 1: Write the proportion equation
6,480,473.94 : 8,943,129.09 = 3,579,804.72 : x - Step 2: Convert to fraction form
6,480,473.94/8,943,129.09 = 3,579,804.72/x - Step 3: Cross multiply
6,480,473.94x = 8,943,129.09 × 3,579,804.72 - Step 4: Simplify right side
6,480,473.94x = 32,014,655,727,951.30 - Step 5: Solve for x
x = 32,014,655,727,951.30/6,480,473.94 - Step 6: Final answer
x = 4,940,171.97
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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.