Finding the Fourth Proportional to 2,221,501.92, 3,065,676.82 and 1,241,440.95
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Solution
The fourth proportional to 2,221,501.92, 3,065,676.82 and 1,241,440.95 is: 1,713,190.85
Step by Step Solution
- Step 1: Write the proportion equation
2,221,501.92 : 3,065,676.82 = 1,241,440.95 : x - Step 2: Convert to fraction form
2,221,501.92/3,065,676.82 = 1,241,440.95/x - Step 3: Cross multiply
2,221,501.92x = 3,065,676.82 × 1,241,440.95 - Step 4: Simplify right side
2,221,501.92x = 3,805,856,743,813.78 - Step 5: Solve for x
x = 3,805,856,743,813.78/2,221,501.92 - Step 6: Final answer
x = 1,713,190.85
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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.