Finding the Fourth Proportional to 1,382,313.62, 1,903,251.59 and 1,175,174.42
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Solution
The fourth proportional to 1,382,313.62, 1,903,251.59 and 1,175,174.42 is: 1,618,050.02
Step by Step Solution
- Step 1: Write the proportion equation
1,382,313.62 : 1,903,251.59 = 1,175,174.42 : x - Step 2: Convert to fraction form
1,382,313.62/1,903,251.59 = 1,175,174.42/x - Step 3: Cross multiply
1,382,313.62x = 1,903,251.59 × 1,175,174.42 - Step 4: Simplify right side
1,382,313.62x = 2,236,652,583,392.33 - Step 5: Solve for x
x = 2,236,652,583,392.33/1,382,313.62 - Step 6: Final answer
x = 1,618,050.02
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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.