Finding the Fourth Proportional to 5,163,141.68, 7,745,697.48 and 1,968,000.56
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Solution
The fourth proportional to 5,163,141.68, 7,745,697.48 and 1,968,000.56 is: 2,952,376.27
Step by Step Solution
- Step 1: Write the proportion equation
5,163,141.68 : 7,745,697.48 = 1,968,000.56 : x - Step 2: Convert to fraction form
5,163,141.68/7,745,697.48 = 1,968,000.56/x - Step 3: Cross multiply
5,163,141.68x = 7,745,697.48 × 1,968,000.56 - Step 4: Simplify right side
5,163,141.68x = 15,243,536,978,230.59 - Step 5: Solve for x
x = 15,243,536,978,230.59/5,163,141.68 - Step 6: Final answer
x = 2,952,376.27
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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.