Finding the Fourth Proportional to 3,251,827.20, 4,487,460.72 and 1,962,721.92
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Solution
The fourth proportional to 3,251,827.20, 4,487,460.72 and 1,962,721.92 is: 2,708,519.54
Step by Step Solution
- Step 1: Write the proportion equation
3,251,827.20 : 4,487,460.72 = 1,962,721.92 : x - Step 2: Convert to fraction form
3,251,827.20/4,487,460.72 = 1,962,721.92/x - Step 3: Cross multiply
3,251,827.20x = 4,487,460.72 × 1,962,721.92 - Step 4: Simplify right side
3,251,827.20x = 8,807,637,520,282.98 - Step 5: Solve for x
x = 8,807,637,520,282.98/3,251,827.20 - Step 6: Final answer
x = 2,708,519.54
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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.