Finding the Fourth Proportional to 3,079,157.68, 4,248,304.36 and 2,148,840.69
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Solution
The fourth proportional to 3,079,157.68, 4,248,304.36 and 2,148,840.69 is: 2,964,748.88
Step by Step Solution
- Step 1: Write the proportion equation
3,079,157.68 : 4,248,304.36 = 2,148,840.69 : x - Step 2: Convert to fraction form
3,079,157.68/4,248,304.36 = 2,148,840.69/x - Step 3: Cross multiply
3,079,157.68x = 4,248,304.36 × 2,148,840.69 - Step 4: Simplify right side
3,079,157.68x = 9,128,929,272,272.41 - Step 5: Solve for x
x = 9,128,929,272,272.41/3,079,157.68 - Step 6: Final answer
x = 2,964,748.88
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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.