Finding the Fourth Proportional to 2,221,213.05, 3,331,819.55 and 538,316.55
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Solution
The fourth proportional to 2,221,213.05, 3,331,819.55 and 538,316.55 is: 807,474.82
Step by Step Solution
- Step 1: Write the proportion equation
2,221,213.05 : 3,331,819.55 = 538,316.55 : x - Step 2: Convert to fraction form
2,221,213.05/3,331,819.55 = 538,316.55/x - Step 3: Cross multiply
2,221,213.05x = 3,331,819.55 × 538,316.55 - Step 4: Simplify right side
2,221,213.05x = 1,793,573,606,724.34 - Step 5: Solve for x
x = 1,793,573,606,724.34/2,221,213.05 - Step 6: Final answer
x = 807,474.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.