Finding the Fourth Proportional to 3,305,615.60, 4,958,423.40 and 1,175,769.20
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Solution
The fourth proportional to 3,305,615.60, 4,958,423.40 and 1,175,769.20 is: 1,763,653.80
Step by Step Solution
- Step 1: Write the proportion equation
3,305,615.60 : 4,958,423.40 = 1,175,769.20 : x - Step 2: Convert to fraction form
3,305,615.60/4,958,423.40 = 1,175,769.20/x - Step 3: Cross multiply
3,305,615.60x = 4,958,423.40 × 1,175,769.20 - Step 4: Simplify right side
3,305,615.60x = 5,829,961,514,279.28 - Step 5: Solve for x
x = 5,829,961,514,279.28/3,305,615.60 - Step 6: Final answer
x = 1,763,653.80
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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.