Finding the Fourth Proportional to 2,497,376.80, 3,446,379.96 and 1,351,457.12
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Solution
The fourth proportional to 2,497,376.80, 3,446,379.96 and 1,351,457.12 is: 1,865,010.81
Step by Step Solution
- Step 1: Write the proportion equation
2,497,376.80 : 3,446,379.96 = 1,351,457.12 : x - Step 2: Convert to fraction form
2,497,376.80/3,446,379.96 = 1,351,457.12/x - Step 3: Cross multiply
2,497,376.80x = 3,446,379.96 × 1,351,457.12 - Step 4: Simplify right side
2,497,376.80x = 4,657,634,735,167.32 - Step 5: Solve for x
x = 4,657,634,735,167.32/2,497,376.80 - Step 6: Final answer
x = 1,865,010.81
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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.