Finding the Fourth Proportional to 2,102,796.24, 2,901,855.96 and 1,197,378.24
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Solution
The fourth proportional to 2,102,796.24, 2,901,855.96 and 1,197,378.24 is: 1,652,380.35
Step by Step Solution
- Step 1: Write the proportion equation
2,102,796.24 : 2,901,855.96 = 1,197,378.24 : x - Step 2: Convert to fraction form
2,102,796.24/2,901,855.96 = 1,197,378.24/x - Step 3: Cross multiply
2,102,796.24x = 2,901,855.96 × 1,197,378.24 - Step 4: Simplify right side
2,102,796.24x = 3,474,619,182,118.31 - Step 5: Solve for x
x = 3,474,619,182,118.31/2,102,796.24 - Step 6: Final answer
x = 1,652,380.35
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1.5x scale
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.