Finding the Fourth Proportional to 2,961,181.13, 4,086,430.56 and 1,603,054.13
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Solution
The fourth proportional to 2,961,181.13, 4,086,430.56 and 1,603,054.13 is: 2,212,215.02
Step by Step Solution
- Step 1: Write the proportion equation
2,961,181.13 : 4,086,430.56 = 1,603,054.13 : x - Step 2: Convert to fraction form
2,961,181.13/4,086,430.56 = 1,603,054.13/x - Step 3: Cross multiply
2,961,181.13x = 4,086,430.56 × 1,603,054.13 - Step 4: Simplify right side
2,961,181.13x = 6,550,769,365,734.06 - Step 5: Solve for x
x = 6,550,769,365,734.06/2,961,181.13 - Step 6: Final answer
x = 2,212,215.02
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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.