Finding the Fourth Proportional to 2,235,967.34, 3,087,553.10 and 2,163,662.30
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Solution
The fourth proportional to 2,235,967.34, 3,087,553.10 and 2,163,662.30 is: 2,987,710.12
Step by Step Solution
- Step 1: Write the proportion equation
2,235,967.34 : 3,087,553.10 = 2,163,662.30 : x - Step 2: Convert to fraction form
2,235,967.34/3,087,553.10 = 2,163,662.30/x - Step 3: Cross multiply
2,235,967.34x = 3,087,553.10 × 2,163,662.30 - Step 4: Simplify right side
2,235,967.34x = 6,680,422,238,618.70 - Step 5: Solve for x
x = 6,680,422,238,618.70/2,235,967.34 - Step 6: Final answer
x = 2,987,710.12
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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.