Finding the Fourth Proportional to 1,382,312.62, 1,903,250.21 and 1,175,173.42
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Solution
The fourth proportional to 1,382,312.62, 1,903,250.21 and 1,175,173.42 is: 1,618,048.64
Step by Step Solution
- Step 1: Write the proportion equation
1,382,312.62 : 1,903,250.21 = 1,175,173.42 : x - Step 2: Convert to fraction form
1,382,312.62/1,903,250.21 = 1,175,173.42/x - Step 3: Cross multiply
1,382,312.62x = 1,903,250.21 × 1,175,173.42 - Step 4: Simplify right side
1,382,312.62x = 2,236,649,058,401.42 - Step 5: Solve for x
x = 2,236,649,058,401.42/1,382,312.62 - Step 6: Final answer
x = 1,618,048.64
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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.