Finding the Fourth Proportional to 3,596,763.80, 4,963,475.31 and 1,965,135.98
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Solution
The fourth proportional to 3,596,763.80, 4,963,475.31 and 1,965,135.98 is: 2,711,855.56
Step by Step Solution
- Step 1: Write the proportion equation
3,596,763.80 : 4,963,475.31 = 1,965,135.98 : x - Step 2: Convert to fraction form
3,596,763.80/4,963,475.31 = 1,965,135.98/x - Step 3: Cross multiply
3,596,763.80x = 4,963,475.31 × 1,965,135.98 - Step 4: Simplify right side
3,596,763.80x = 9,753,903,917,522.65 - Step 5: Solve for x
x = 9,753,903,917,522.65/3,596,763.80 - Step 6: Final answer
x = 2,711,855.56
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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.