Finding the Fourth Proportional to 5,120,647.21, 7,684,750.32 and 2,424,967.21
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Solution
The fourth proportional to 5,120,647.21, 7,684,750.32 and 2,424,967.21 is: 3,639,240.66
Step by Step Solution
- Step 1: Write the proportion equation
5,120,647.21 : 7,684,750.32 = 2,424,967.21 : x - Step 2: Convert to fraction form
5,120,647.21/7,684,750.32 = 2,424,967.21/x - Step 3: Cross multiply
5,120,647.21x = 7,684,750.32 × 2,424,967.21 - Step 4: Simplify right side
5,120,647.21x = 18,635,267,543,037.01 - Step 5: Solve for x
x = 18,635,267,543,037.01/5,120,647.21 - Step 6: Final answer
x = 3,639,240.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.