Finding the Fourth Proportional to 4,279,528.01, 5,905,820.02 and 2,319,468.68
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Solution
The fourth proportional to 4,279,528.01, 5,905,820.02 and 2,319,468.68 is: 3,200,905.45
Step by Step Solution
- Step 1: Write the proportion equation
4,279,528.01 : 5,905,820.02 = 2,319,468.68 : x - Step 2: Convert to fraction form
4,279,528.01/5,905,820.02 = 2,319,468.68/x - Step 3: Cross multiply
4,279,528.01x = 5,905,820.02 × 2,319,468.68 - Step 4: Simplify right side
4,279,528.01x = 13,698,364,530,779.20 - Step 5: Solve for x
x = 13,698,364,530,779.20/4,279,528.01 - Step 6: Final answer
x = 3,200,905.45
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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.