Finding the Fourth Proportional to 2,201,435.70, 3,302,153.55 and 1,064,742.45
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Solution
The fourth proportional to 2,201,435.70, 3,302,153.55 and 1,064,742.45 is: 1,597,113.68
Step by Step Solution
- Step 1: Write the proportion equation
2,201,435.70 : 3,302,153.55 = 1,064,742.45 : x - Step 2: Convert to fraction form
2,201,435.70/3,302,153.55 = 1,064,742.45/x - Step 3: Cross multiply
2,201,435.70x = 3,302,153.55 × 1,064,742.45 - Step 4: Simplify right side
2,201,435.70x = 3,515,943,061,103.20 - Step 5: Solve for x
x = 3,515,943,061,103.20/2,201,435.70 - Step 6: Final answer
x = 1,597,113.68
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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.