Finding the Fourth Proportional to 3,611,538.05, 4,983,814.62 and 1,979,889.63
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Solution
The fourth proportional to 3,611,538.05, 4,983,814.62 and 1,979,889.63 is: 2,732,188.55
Step by Step Solution
- Step 1: Write the proportion equation
3,611,538.05 : 4,983,814.62 = 1,979,889.63 : x - Step 2: Convert to fraction form
3,611,538.05/4,983,814.62 = 1,979,889.63/x - Step 3: Cross multiply
3,611,538.05x = 4,983,814.62 × 1,979,889.63 - Step 4: Simplify right side
3,611,538.05x = 9,867,402,883,980.39 - Step 5: Solve for x
x = 9,867,402,883,980.39/3,611,538.05 - Step 6: Final answer
x = 2,732,188.55
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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.