Finding the Fourth Proportional to 2,876,114.68, 3,969,120.71 and 1,587,038.11
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Solution
The fourth proportional to 2,876,114.68, 3,969,120.71 and 1,587,038.11 is: 2,190,158.09
Step by Step Solution
- Step 1: Write the proportion equation
2,876,114.68 : 3,969,120.71 = 1,587,038.11 : x - Step 2: Convert to fraction form
2,876,114.68/3,969,120.71 = 1,587,038.11/x - Step 3: Cross multiply
2,876,114.68x = 3,969,120.71 × 1,587,038.11 - Step 4: Simplify right side
2,876,114.68x = 6,299,145,829,960.26 - Step 5: Solve for x
x = 6,299,145,829,960.26/2,876,114.68 - Step 6: Final answer
x = 2,190,158.09
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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.