Finding the Fourth Proportional to 2,145,237.66, 2,960,107.11 and 1,227,321
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Solution
The fourth proportional to 2,145,237.66, 2,960,107.11 and 1,227,321 is: 1,693,519.41
Step by Step Solution
- Step 1: Write the proportion equation
2,145,237.66 : 2,960,107.11 = 1,227,321 : x - Step 2: Convert to fraction form
2,145,237.66/2,960,107.11 = 1,227,321/x - Step 3: Cross multiply
2,145,237.66x = 2,960,107.11 × 1,227,321 - Step 4: Simplify right side
2,145,237.66x = 3,633,001,618,352.31 - Step 5: Solve for x
x = 3,633,001,618,352.31/2,145,237.66 - Step 6: Final answer
x = 1,693,519.41
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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.