Finding the Fourth Proportional to 3,201,780.16, 4,418,455.14 and 1,751,475.19
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Solution
The fourth proportional to 3,201,780.16, 4,418,455.14 and 1,751,475.19 is: 2,417,034.95
Step by Step Solution
- Step 1: Write the proportion equation
3,201,780.16 : 4,418,455.14 = 1,751,475.19 : x - Step 2: Convert to fraction form
3,201,780.16/4,418,455.14 = 1,751,475.19/x - Step 3: Cross multiply
3,201,780.16x = 4,418,455.14 × 1,751,475.19 - Step 4: Simplify right side
3,201,780.16x = 7,738,814,555,837.98 - Step 5: Solve for x
x = 7,738,814,555,837.98/3,201,780.16 - Step 6: Final answer
x = 2,417,034.95
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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.