Finding the Fourth Proportional to 5,170,928.37, 7,695,349.97 and 4,998,520.68
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Solution
The fourth proportional to 5,170,928.37, 7,695,349.97 and 4,998,520.68 is: 7,438,773.70
Step by Step Solution
- Step 1: Write the proportion equation
5,170,928.37 : 7,695,349.97 = 4,998,520.68 : x - Step 2: Convert to fraction form
5,170,928.37/7,695,349.97 = 4,998,520.68/x - Step 3: Cross multiply
5,170,928.37x = 7,695,349.97 × 4,998,520.68 - Step 4: Simplify right side
5,170,928.37x = 38,465,365,939,889.77 - Step 5: Solve for x
x = 38,465,365,939,889.77/5,170,928.37 - Step 6: Final answer
x = 7,438,773.70
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.