Finding the Fourth Proportional to 2,596,468.02, 3,891,220.74 and 2,020,786.62
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Solution
The fourth proportional to 2,596,468.02, 3,891,220.74 and 2,020,786.62 is: 3,028,470.50
Step by Step Solution
- Step 1: Write the proportion equation
2,596,468.02 : 3,891,220.74 = 2,020,786.62 : x - Step 2: Convert to fraction form
2,596,468.02/3,891,220.74 = 2,020,786.62/x - Step 3: Cross multiply
2,596,468.02x = 3,891,220.74 × 2,020,786.62 - Step 4: Simplify right side
2,596,468.02x = 7,863,326,806,858.50 - Step 5: Solve for x
x = 7,863,326,806,858.50/2,596,468.02 - Step 6: Final answer
x = 3,028,470.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.