Finding the Fourth Proportional to 3,414,123.36, 5,121,947.04 and 1,284,225.12
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Solution
The fourth proportional to 3,414,123.36, 5,121,947.04 and 1,284,225.12 is: 1,926,624.31
Step by Step Solution
- Step 1: Write the proportion equation
3,414,123.36 : 5,121,947.04 = 1,284,225.12 : x - Step 2: Convert to fraction form
3,414,123.36/5,121,947.04 = 1,284,225.12/x - Step 3: Cross multiply
3,414,123.36x = 5,121,947.04 × 1,284,225.12 - Step 4: Simplify right side
3,414,123.36x = 6,577,733,052,077.65 - Step 5: Solve for x
x = 6,577,733,052,077.65/3,414,123.36 - Step 6: Final answer
x = 1,926,624.31
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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.