Finding the Fourth Proportional to 3,201,830.53, 4,418,608.80 and 1,751,587.09
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Solution
The fourth proportional to 3,201,830.53, 4,418,608.80 and 1,751,587.09 is: 2,417,235.41
Step by Step Solution
- Step 1: Write the proportion equation
3,201,830.53 : 4,418,608.80 = 1,751,587.09 : x - Step 2: Convert to fraction form
3,201,830.53/4,418,608.80 = 1,751,587.09/x - Step 3: Cross multiply
3,201,830.53x = 4,418,608.80 × 1,751,587.09 - Step 4: Simplify right side
3,201,830.53x = 7,739,578,129,840.39 - Step 5: Solve for x
x = 7,739,578,129,840.39/3,201,830.53 - Step 6: Final answer
x = 2,417,235.41
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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.