Finding the Fourth Proportional to 3,596,761.80, 4,963,472.55 and 1,965,133.98
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Solution
The fourth proportional to 3,596,761.80, 4,963,472.55 and 1,965,133.98 is: 2,711,852.80
Step by Step Solution
- Step 1: Write the proportion equation
3,596,761.80 : 4,963,472.55 = 1,965,133.98 : x - Step 2: Convert to fraction form
3,596,761.80/4,963,472.55 = 1,965,133.98/x - Step 3: Cross multiply
3,596,761.80x = 4,963,472.55 × 1,965,133.98 - Step 4: Simplify right side
3,596,761.80x = 9,753,888,566,802.25 - Step 5: Solve for x
x = 9,753,888,566,802.25/3,596,761.80 - Step 6: Final answer
x = 2,711,852.80
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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.