Finding the Fourth Proportional to 3,201,726.36, 4,418,487.81 and 1,751,388.69
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Solution
The fourth proportional to 3,201,726.36, 4,418,487.81 and 1,751,388.69 is: 2,416,974.07
Step by Step Solution
- Step 1: Write the proportion equation
3,201,726.36 : 4,418,487.81 = 1,751,388.69 : x - Step 2: Convert to fraction form
3,201,726.36/4,418,487.81 = 1,751,388.69/x - Step 3: Cross multiply
3,201,726.36x = 4,418,487.81 × 1,751,388.69 - Step 4: Simplify right side
3,201,726.36x = 7,738,489,577,336.87 - Step 5: Solve for x
x = 7,738,489,577,336.87/3,201,726.36 - Step 6: Final answer
x = 2,416,974.07
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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.