Finding the Fourth Proportional to 4,740,811.20, 6,542,273.88 and 2,565,306.72
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Solution
The fourth proportional to 4,740,811.20, 6,542,273.88 and 2,565,306.72 is: 3,540,098.61
Step by Step Solution
- Step 1: Write the proportion equation
4,740,811.20 : 6,542,273.88 = 2,565,306.72 : x - Step 2: Convert to fraction form
4,740,811.20/6,542,273.88 = 2,565,306.72/x - Step 3: Cross multiply
4,740,811.20x = 6,542,273.88 × 2,565,306.72 - Step 4: Simplify right side
4,740,811.20x = 16,782,939,148,444.47 - Step 5: Solve for x
x = 16,782,939,148,444.47/4,740,811.20 - Step 6: Final answer
x = 3,540,098.61
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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.