Finding the Fourth Proportional to 3,944,809.70, 5,917,214.55 and 2,051,305.10
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Solution
The fourth proportional to 3,944,809.70, 5,917,214.55 and 2,051,305.10 is: 3,076,957.65
Step by Step Solution
- Step 1: Write the proportion equation
3,944,809.70 : 5,917,214.55 = 2,051,305.10 : x - Step 2: Convert to fraction form
3,944,809.70/5,917,214.55 = 2,051,305.10/x - Step 3: Cross multiply
3,944,809.70x = 5,917,214.55 × 2,051,305.10 - Step 4: Simplify right side
3,944,809.70x = 12,138,012,384,209.21 - Step 5: Solve for x
x = 12,138,012,384,209.21/3,944,809.70 - Step 6: Final answer
x = 3,076,957.65
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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.