Finding the Fourth Proportional to 5,136,931.37, 7,706,501.31 and 1,493,724.53
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Solution
The fourth proportional to 5,136,931.37, 7,706,501.31 and 1,493,724.53 is: 2,240,907.89
Step by Step Solution
- Step 1: Write the proportion equation
5,136,931.37 : 7,706,501.31 = 1,493,724.53 : x - Step 2: Convert to fraction form
5,136,931.37/7,706,501.31 = 1,493,724.53/x - Step 3: Cross multiply
5,136,931.37x = 7,706,501.31 × 1,493,724.53 - Step 4: Simplify right side
5,136,931.37x = 11,511,390,008,691.63 - Step 5: Solve for x
x = 11,511,390,008,691.63/5,136,931.37 - Step 6: Final answer
x = 2,240,907.89
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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.