Finding the Fourth Proportional to 3,749,760.12, 5,174,643.16 and 2,030,841.28
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Solution
The fourth proportional to 3,749,760.12, 5,174,643.16 and 2,030,841.28 is: 2,802,546.99
Step by Step Solution
- Step 1: Write the proportion equation
3,749,760.12 : 5,174,643.16 = 2,030,841.28 : x - Step 2: Convert to fraction form
3,749,760.12/5,174,643.16 = 2,030,841.28/x - Step 3: Cross multiply
3,749,760.12x = 5,174,643.16 × 2,030,841.28 - Step 4: Simplify right side
3,749,760.12x = 10,508,878,938,597.64 - Step 5: Solve for x
x = 10,508,878,938,597.64/3,749,760.12 - Step 6: Final answer
x = 2,802,546.99
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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.