Finding the Fourth Proportional to 1,916,543.28, 2,874,192.65 and 636,807.07
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Solution
The fourth proportional to 1,916,543.28, 2,874,192.65 and 636,807.07 is: 955,003.85
Step by Step Solution
- Step 1: Write the proportion equation
1,916,543.28 : 2,874,192.65 = 636,807.07 : x - Step 2: Convert to fraction form
1,916,543.28/2,874,192.65 = 636,807.07/x - Step 3: Cross multiply
1,916,543.28x = 2,874,192.65 × 636,807.07 - Step 4: Simplify right side
1,916,543.28x = 1,830,306,203,984.25 - Step 5: Solve for x
x = 1,830,306,203,984.25/1,916,543.28 - Step 6: Final answer
x = 955,003.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.