Finding the Fourth Proportional to 2,293,628.32, 3,165,288.30 and 1,261,214.68
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Solution
The fourth proportional to 2,293,628.32, 3,165,288.30 and 1,261,214.68 is: 1,740,520.92
Step by Step Solution
- Step 1: Write the proportion equation
2,293,628.32 : 3,165,288.30 = 1,261,214.68 : x - Step 2: Convert to fraction form
2,293,628.32/3,165,288.30 = 1,261,214.68/x - Step 3: Cross multiply
2,293,628.32x = 3,165,288.30 × 1,261,214.68 - Step 4: Simplify right side
2,293,628.32x = 3,992,108,070,392.24 - Step 5: Solve for x
x = 3,992,108,070,392.24/2,293,628.32 - Step 6: Final answer
x = 1,740,520.92
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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.