Finding the Fourth Proportional to 2,182,774.61, 3,012,260.28 and 1,252,633.97
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Solution
The fourth proportional to 2,182,774.61, 3,012,260.28 and 1,252,633.97 is: 1,728,652.85
Step by Step Solution
- Step 1: Write the proportion equation
2,182,774.61 : 3,012,260.28 = 1,252,633.97 : x - Step 2: Convert to fraction form
2,182,774.61/3,012,260.28 = 1,252,633.97/x - Step 3: Cross multiply
2,182,774.61x = 3,012,260.28 × 1,252,633.97 - Step 4: Simplify right side
2,182,774.61x = 3,773,259,553,209.71 - Step 5: Solve for x
x = 3,773,259,553,209.71/2,182,774.61 - Step 6: Final answer
x = 1,728,652.85
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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.