Finding the Fourth Proportional to 5,436,280.62, 8,154,232.20 and 1,392,802.02
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Solution
The fourth proportional to 5,436,280.62, 8,154,232.20 and 1,392,802.02 is: 2,089,154.68
Step by Step Solution
- Step 1: Write the proportion equation
5,436,280.62 : 8,154,232.20 = 1,392,802.02 : x - Step 2: Convert to fraction form
5,436,280.62/8,154,232.20 = 1,392,802.02/x - Step 3: Cross multiply
5,436,280.62x = 8,154,232.20 × 1,392,802.02 - Step 4: Simplify right side
5,436,280.62x = 11,357,231,079,709.04 - Step 5: Solve for x
x = 11,357,231,079,709.04/5,436,280.62 - Step 6: Final answer
x = 2,089,154.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.