Finding the Fourth Proportional to 3,494,489.12, 5,242,395.36 and 1,364,438.56
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Solution
The fourth proportional to 3,494,489.12, 5,242,395.36 and 1,364,438.56 is: 2,046,916.20
Step by Step Solution
- Step 1: Write the proportion equation
3,494,489.12 : 5,242,395.36 = 1,364,438.56 : x - Step 2: Convert to fraction form
3,494,489.12/5,242,395.36 = 1,364,438.56/x - Step 3: Cross multiply
3,494,489.12x = 5,242,395.36 × 1,364,438.56 - Step 4: Simplify right side
3,494,489.12x = 7,152,926,375,949.08 - Step 5: Solve for x
x = 7,152,926,375,949.08/3,494,489.12 - Step 6: Final answer
x = 2,046,916.20
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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.