Finding the Fourth Proportional to 3,201,950.75, 4,418,726.93 and 1,751,615.05
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Solution
The fourth proportional to 3,201,950.75, 4,418,726.93 and 1,751,615.05 is: 2,417,247.85
Step by Step Solution
- Step 1: Write the proportion equation
3,201,950.75 : 4,418,726.93 = 1,751,615.05 : x - Step 2: Convert to fraction form
3,201,950.75/4,418,726.93 = 1,751,615.05/x - Step 3: Cross multiply
3,201,950.75x = 4,418,726.93 × 1,751,615.05 - Step 4: Simplify right side
3,201,950.75x = 7,739,908,561,576.59 - Step 5: Solve for x
x = 7,739,908,561,576.59/3,201,950.75 - Step 6: Final answer
x = 2,417,247.85
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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.