Finding the Fourth Proportional to 2,642,186.92, 3,646,442.82 and 1,496,471.08
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Solution
The fourth proportional to 2,642,186.92, 3,646,442.82 and 1,496,471.08 is: 2,065,257.45
Step by Step Solution
- Step 1: Write the proportion equation
2,642,186.92 : 3,646,442.82 = 1,496,471.08 : x - Step 2: Convert to fraction form
2,642,186.92/3,646,442.82 = 1,496,471.08/x - Step 3: Cross multiply
2,642,186.92x = 3,646,442.82 × 1,496,471.08 - Step 4: Simplify right side
2,642,186.92x = 5,456,796,225,003.65 - Step 5: Solve for x
x = 5,456,796,225,003.65/2,642,186.92 - Step 6: Final answer
x = 2,065,257.45
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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.