Finding the Fourth Proportional to 1,391,765.01, 1,920,683.00 and 1,327,992.09
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Solution
The fourth proportional to 1,391,765.01, 1,920,683.00 and 1,327,992.09 is: 1,832,674.20
Step by Step Solution
- Step 1: Write the proportion equation
1,391,765.01 : 1,920,683.00 = 1,327,992.09 : x - Step 2: Convert to fraction form
1,391,765.01/1,920,683.00 = 1,327,992.09/x - Step 3: Cross multiply
1,391,765.01x = 1,920,683.00 × 1,327,992.09 - Step 4: Simplify right side
1,391,765.01x = 2,550,651,824,757.51 - Step 5: Solve for x
x = 2,550,651,824,757.51/1,391,765.01 - Step 6: Final answer
x = 1,832,674.20
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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.