Finding the Fourth Proportional to 2,128,625.82, 2,937,480.66 and 1,161,748.26
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Solution
The fourth proportional to 2,128,625.82, 2,937,480.66 and 1,161,748.26 is: 1,603,200.06
Step by Step Solution
- Step 1: Write the proportion equation
2,128,625.82 : 2,937,480.66 = 1,161,748.26 : x - Step 2: Convert to fraction form
2,128,625.82/2,937,480.66 = 1,161,748.26/x - Step 3: Cross multiply
2,128,625.82x = 2,937,480.66 × 1,161,748.26 - Step 4: Simplify right side
2,128,625.82x = 3,412,613,045,538.65 - Step 5: Solve for x
x = 3,412,613,045,538.65/2,128,625.82 - Step 6: Final answer
x = 1,603,200.06
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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.