Finding the Fourth Proportional to 4,276,405.28, 5,901,421.84 and 2,342,663.20
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Solution
The fourth proportional to 4,276,405.28, 5,901,421.84 and 2,342,663.20 is: 3,232,865.66
Step by Step Solution
- Step 1: Write the proportion equation
4,276,405.28 : 5,901,421.84 = 2,342,663.20 : x - Step 2: Convert to fraction form
4,276,405.28/5,901,421.84 = 2,342,663.20/x - Step 3: Cross multiply
4,276,405.28x = 5,901,421.84 × 2,342,663.20 - Step 4: Simplify right side
4,276,405.28x = 13,825,043,772,244.29 - Step 5: Solve for x
x = 13,825,043,772,244.29/4,276,405.28 - Step 6: Final answer
x = 3,232,865.66
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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.