Finding the Fourth Proportional to 3,126,637.80, 4,314,837.60 and 1,749,969.90
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Solution
The fourth proportional to 3,126,637.80, 4,314,837.60 and 1,749,969.90 is: 2,415,001.80
Step by Step Solution
- Step 1: Write the proportion equation
3,126,637.80 : 4,314,837.60 = 1,749,969.90 : x - Step 2: Convert to fraction form
3,126,637.80/4,314,837.60 = 1,749,969.90/x - Step 3: Cross multiply
3,126,637.80x = 4,314,837.60 × 1,749,969.90 - Step 4: Simplify right side
3,126,637.80x = 7,550,835,923,388.24 - Step 5: Solve for x
x = 7,550,835,923,388.24/3,126,637.80 - Step 6: Final answer
x = 2,415,001.80
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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.