Finding the Fourth Proportional to 3,025,402.09, 4,175,054.96 and 1,667,275.09
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Solution
The fourth proportional to 3,025,402.09, 4,175,054.96 and 1,667,275.09 is: 2,300,839.66
Step by Step Solution
- Step 1: Write the proportion equation
3,025,402.09 : 4,175,054.96 = 1,667,275.09 : x - Step 2: Convert to fraction form
3,025,402.09/4,175,054.96 = 1,667,275.09/x - Step 3: Cross multiply
3,025,402.09x = 4,175,054.96 × 1,667,275.09 - Step 4: Simplify right side
3,025,402.09x = 6,960,965,115,414.93 - Step 5: Solve for x
x = 6,960,965,115,414.93/3,025,402.09 - Step 6: Final answer
x = 2,300,839.66
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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.