Finding the Fourth Proportional to 3,134,863.26, 4,326,158.70 and 1,758,512.07
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Solution
The fourth proportional to 3,134,863.26, 4,326,158.70 and 1,758,512.07 is: 2,426,773.25
Step by Step Solution
- Step 1: Write the proportion equation
3,134,863.26 : 4,326,158.70 = 1,758,512.07 : x - Step 2: Convert to fraction form
3,134,863.26/4,326,158.70 = 1,758,512.07/x - Step 3: Cross multiply
3,134,863.26x = 4,326,158.70 × 1,758,512.07 - Step 4: Simplify right side
3,134,863.26x = 7,607,602,290,685.51 - Step 5: Solve for x
x = 7,607,602,290,685.51/3,134,863.26 - Step 6: Final answer
x = 2,426,773.25
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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.