Finding the Fourth Proportional to 4,479,064.64, 6,181,226.88 and 2,761,320.32
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Solution
The fourth proportional to 4,479,064.64, 6,181,226.88 and 2,761,320.32 is: 3,810,694.59
Step by Step Solution
- Step 1: Write the proportion equation
4,479,064.64 : 6,181,226.88 = 2,761,320.32 : x - Step 2: Convert to fraction form
4,479,064.64/6,181,226.88 = 2,761,320.32/x - Step 3: Cross multiply
4,479,064.64x = 6,181,226.88 × 2,761,320.32 - Step 4: Simplify right side
4,479,064.64x = 17,068,347,386,274.20 - Step 5: Solve for x
x = 17,068,347,386,274.20/4,479,064.64 - Step 6: Final answer
x = 3,810,694.59
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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.