Finding the Fourth Proportional to 3,596,961.70, 4,963,659.44 and 1,965,425.07
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Solution
The fourth proportional to 3,596,961.70, 4,963,659.44 and 1,965,425.07 is: 2,712,205.89
Step by Step Solution
- Step 1: Write the proportion equation
3,596,961.70 : 4,963,659.44 = 1,965,425.07 : x - Step 2: Convert to fraction form
3,596,961.70/4,963,659.44 = 1,965,425.07/x - Step 3: Cross multiply
3,596,961.70x = 4,963,659.44 × 1,965,425.07 - Step 4: Simplify right side
3,596,961.70x = 9,755,700,692,491.04 - Step 5: Solve for x
x = 9,755,700,692,491.04/3,596,961.70 - Step 6: Final answer
x = 2,712,205.89
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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.