Finding the Fourth Proportional to 2,059,305.66, 2,838,691.62 and 1,445,737.14
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Solution
The fourth proportional to 2,059,305.66, 2,838,691.62 and 1,445,737.14 is: 1,992,905.66
Step by Step Solution
- Step 1: Write the proportion equation
2,059,305.66 : 2,838,691.62 = 1,445,737.14 : x - Step 2: Convert to fraction form
2,059,305.66/2,838,691.62 = 1,445,737.14/x - Step 3: Cross multiply
2,059,305.66x = 2,838,691.62 × 1,445,737.14 - Step 4: Simplify right side
2,059,305.66x = 4,104,001,904,040.77 - Step 5: Solve for x
x = 4,104,001,904,040.77/2,059,305.66 - Step 6: Final answer
x = 1,992,905.66
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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.