Finding the Fourth Proportional to 4,278,099.12, 6,416,607.38 and 1,399,219.80
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Solution
The fourth proportional to 4,278,099.12, 6,416,607.38 and 1,399,219.80 is: 2,098,652.66
Step by Step Solution
- Step 1: Write the proportion equation
4,278,099.12 : 6,416,607.38 = 1,399,219.80 : x - Step 2: Convert to fraction form
4,278,099.12/6,416,607.38 = 1,399,219.80/x - Step 3: Cross multiply
4,278,099.12x = 6,416,607.38 × 1,399,219.80 - Step 4: Simplify right side
4,278,099.12x = 8,978,244,094,922.13 - Step 5: Solve for x
x = 8,978,244,094,922.13/4,278,099.12 - Step 6: Final answer
x = 2,098,652.66
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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.