Finding the Fourth Proportional to 3,824,045.21, 5,737,119.68 and 1,128,370.43
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Solution
The fourth proportional to 3,824,045.21, 5,737,119.68 and 1,128,370.43 is: 1,692,866.02
Step by Step Solution
- Step 1: Write the proportion equation
3,824,045.21 : 5,737,119.68 = 1,128,370.43 : x - Step 2: Convert to fraction form
3,824,045.21/5,737,119.68 = 1,128,370.43/x - Step 3: Cross multiply
3,824,045.21x = 5,737,119.68 × 1,128,370.43 - Step 4: Simplify right side
3,824,045.21x = 6,473,596,185,175.49 - Step 5: Solve for x
x = 6,473,596,185,175.49/3,824,045.21 - Step 6: Final answer
x = 1,692,866.02
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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.