Finding the Fourth Proportional to 5,621,531.64, 7,757,712 and 3,043,210.48
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Solution
The fourth proportional to 5,621,531.64, 7,757,712 and 3,043,210.48 is: 4,199,629.56
Step by Step Solution
- Step 1: Write the proportion equation
5,621,531.64 : 7,757,712 = 3,043,210.48 : x - Step 2: Convert to fraction form
5,621,531.64/7,757,712 = 3,043,210.48/x - Step 3: Cross multiply
5,621,531.64x = 7,757,712 × 3,043,210.48 - Step 4: Simplify right side
5,621,531.64x = 23,608,350,459,221.76 - Step 5: Solve for x
x = 23,608,350,459,221.76/5,621,531.64 - Step 6: Final answer
x = 4,199,629.56
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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.