Finding the Fourth Proportional to 2,042,977.64, 2,819,274.36 and 1,125,292.72
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Solution
The fourth proportional to 2,042,977.64, 2,819,274.36 and 1,125,292.72 is: 1,552,884.79
Step by Step Solution
- Step 1: Write the proportion equation
2,042,977.64 : 2,819,274.36 = 1,125,292.72 : x - Step 2: Convert to fraction form
2,042,977.64/2,819,274.36 = 1,125,292.72/x - Step 3: Cross multiply
2,042,977.64x = 2,819,274.36 × 1,125,292.72 - Step 4: Simplify right side
2,042,977.64x = 3,172,508,912,990.66 - Step 5: Solve for x
x = 3,172,508,912,990.66/2,042,977.64 - Step 6: Final answer
x = 1,552,884.79
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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.