Finding the Fourth Proportional to 3,027,904.58, 4,178,390.98 and 1,721,327.80
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Solution
The fourth proportional to 3,027,904.58, 4,178,390.98 and 1,721,327.80 is: 2,375,365.65
Step by Step Solution
- Step 1: Write the proportion equation
3,027,904.58 : 4,178,390.98 = 1,721,327.80 : x - Step 2: Convert to fraction form
3,027,904.58/4,178,390.98 = 1,721,327.80/x - Step 3: Cross multiply
3,027,904.58x = 4,178,390.98 × 1,721,327.80 - Step 4: Simplify right side
3,027,904.58x = 7,192,380,523,644.65 - Step 5: Solve for x
x = 7,192,380,523,644.65/3,027,904.58 - Step 6: Final answer
x = 2,375,365.65
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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.