Finding the Fourth Proportional to 2,148,719.24, 2,965,234.05 and 1,181,923.08
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Solution
The fourth proportional to 2,148,719.24, 2,965,234.05 and 1,181,923.08 is: 1,631,054.68
Step by Step Solution
- Step 1: Write the proportion equation
2,148,719.24 : 2,965,234.05 = 1,181,923.08 : x - Step 2: Convert to fraction form
2,148,719.24/2,965,234.05 = 1,181,923.08/x - Step 3: Cross multiply
2,148,719.24x = 2,965,234.05 × 1,181,923.08 - Step 4: Simplify right side
2,148,719.24x = 3,504,678,561,296.87 - Step 5: Solve for x
x = 3,504,678,561,296.87/2,148,719.24 - Step 6: Final answer
x = 1,631,054.68
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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.