Finding the Fourth Proportional to 4,669,471.74, 6,444,872.91 and 2,949,498.30
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Solution
The fourth proportional to 4,669,471.74, 6,444,872.91 and 2,949,498.30 is: 4,070,940.52
Step by Step Solution
- Step 1: Write the proportion equation
4,669,471.74 : 6,444,872.91 = 2,949,498.30 : x - Step 2: Convert to fraction form
4,669,471.74/6,444,872.91 = 2,949,498.30/x - Step 3: Cross multiply
4,669,471.74x = 6,444,872.91 × 2,949,498.30 - Step 4: Simplify right side
4,669,471.74x = 19,009,141,691,761.05 - Step 5: Solve for x
x = 19,009,141,691,761.05/4,669,471.74 - Step 6: Final answer
x = 4,070,940.52
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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.