Finding the Fourth Proportional to 4,877,072.48, 6,733,646.40 and 3,044,321.12
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Solution
The fourth proportional to 4,877,072.48, 6,733,646.40 and 3,044,321.12 is: 4,203,214.54
Step by Step Solution
- Step 1: Write the proportion equation
4,877,072.48 : 6,733,646.40 = 3,044,321.12 : x - Step 2: Convert to fraction form
4,877,072.48/6,733,646.40 = 3,044,321.12/x - Step 3: Cross multiply
4,877,072.48x = 6,733,646.40 × 3,044,321.12 - Step 4: Simplify right side
4,877,072.48x = 20,499,381,950,131.97 - Step 5: Solve for x
x = 20,499,381,950,131.97/4,877,072.48 - Step 6: Final answer
x = 4,203,214.54
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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.