Finding the Fourth Proportional to 2,213,265.91, 3,054,313.85 and 1,283,154.95
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Solution
The fourth proportional to 2,213,265.91, 3,054,313.85 and 1,283,154.95 is: 1,770,757.83
Step by Step Solution
- Step 1: Write the proportion equation
2,213,265.91 : 3,054,313.85 = 1,283,154.95 : x - Step 2: Convert to fraction form
2,213,265.91/3,054,313.85 = 1,283,154.95/x - Step 3: Cross multiply
2,213,265.91x = 3,054,313.85 × 1,283,154.95 - Step 4: Simplify right side
2,213,265.91x = 3,919,157,935,481.06 - Step 5: Solve for x
x = 3,919,157,935,481.06/2,213,265.91 - Step 6: Final answer
x = 1,770,757.83
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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.