Finding the Fourth Proportional to 3,750,106.43, 5,174,878.19 and 2,201,430.98
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Solution
The fourth proportional to 3,750,106.43, 5,174,878.19 and 2,201,430.98 is: 3,037,817.02
Step by Step Solution
- Step 1: Write the proportion equation
3,750,106.43 : 5,174,878.19 = 2,201,430.98 : x - Step 2: Convert to fraction form
3,750,106.43/5,174,878.19 = 2,201,430.98/x - Step 3: Cross multiply
3,750,106.43x = 5,174,878.19 × 2,201,430.98 - Step 4: Simplify right side
3,750,106.43x = 11,392,137,128,310.78 - Step 5: Solve for x
x = 11,392,137,128,310.78/3,750,106.43 - Step 6: Final answer
x = 3,037,817.02
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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.