Finding the Fourth Proportional to 2,216,798.13, 3,059,179.74 and 1,198,202.88
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Solution
The fourth proportional to 2,216,798.13, 3,059,179.74 and 1,198,202.88 is: 1,653,519.07
Step by Step Solution
- Step 1: Write the proportion equation
2,216,798.13 : 3,059,179.74 = 1,198,202.88 : x - Step 2: Convert to fraction form
2,216,798.13/3,059,179.74 = 1,198,202.88/x - Step 3: Cross multiply
2,216,798.13x = 3,059,179.74 × 1,198,202.88 - Step 4: Simplify right side
2,216,798.13x = 3,665,517,974,905.65 - Step 5: Solve for x
x = 3,665,517,974,905.65/2,216,798.13 - Step 6: Final answer
x = 1,653,519.07
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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.