Finding the Fourth Proportional to 2,476,764.09, 3,418,907.81 and 1,660,670.46
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Solution
The fourth proportional to 2,476,764.09, 3,418,907.81 and 1,660,670.46 is: 2,292,377.87
Step by Step Solution
- Step 1: Write the proportion equation
2,476,764.09 : 3,418,907.81 = 1,660,670.46 : x - Step 2: Convert to fraction form
2,476,764.09/3,418,907.81 = 1,660,670.46/x - Step 3: Cross multiply
2,476,764.09x = 3,418,907.81 × 1,660,670.46 - Step 4: Simplify right side
2,476,764.09x = 5,677,679,197,226.94 - Step 5: Solve for x
x = 5,677,679,197,226.94/2,476,764.09 - Step 6: Final answer
x = 2,292,377.87
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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.