Finding the Fourth Proportional to 3,788,893.41, 5,228,675.01 and 2,046,562.80
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Solution
The fourth proportional to 3,788,893.41, 5,228,675.01 and 2,046,562.80 is: 2,824,257.80
Step by Step Solution
- Step 1: Write the proportion equation
3,788,893.41 : 5,228,675.01 = 2,046,562.80 : x - Step 2: Convert to fraction form
3,788,893.41/5,228,675.01 = 2,046,562.80/x - Step 3: Cross multiply
3,788,893.41x = 5,228,675.01 × 2,046,562.80 - Step 4: Simplify right side
3,788,893.41x = 10,700,811,768,755.63 - Step 5: Solve for x
x = 10,700,811,768,755.63/3,788,893.41 - Step 6: Final answer
x = 2,824,257.80
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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.