Finding the Fourth Proportional to 2,027,807.70, 2,798,081.73 and 1,122,387.54
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Solution
The fourth proportional to 2,027,807.70, 2,798,081.73 and 1,122,387.54 is: 1,548,732.69
Step by Step Solution
- Step 1: Write the proportion equation
2,027,807.70 : 2,798,081.73 = 1,122,387.54 : x - Step 2: Convert to fraction form
2,027,807.70/2,798,081.73 = 1,122,387.54/x - Step 3: Cross multiply
2,027,807.70x = 2,798,081.73 × 1,122,387.54 - Step 4: Simplify right side
2,027,807.70x = 3,140,532,069,653.64 - Step 5: Solve for x
x = 3,140,532,069,653.64/2,027,807.70 - Step 6: Final answer
x = 1,548,732.69
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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.