Finding the Fourth Proportional to 7,207,280.53, 10,812,508.90 and 2,089,924.08
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Solution
The fourth proportional to 7,207,280.53, 10,812,508.90 and 2,089,924.08 is: 3,135,346.63
Step by Step Solution
- Step 1: Write the proportion equation
7,207,280.53 : 10,812,508.90 = 2,089,924.08 : x - Step 2: Convert to fraction form
7,207,280.53/10,812,508.90 = 2,089,924.08/x - Step 3: Cross multiply
7,207,280.53x = 10,812,508.90 × 2,089,924.08 - Step 4: Simplify right side
7,207,280.53x = 22,597,322,739,190.34 - Step 5: Solve for x
x = 22,597,322,739,190.34/7,207,280.53 - Step 6: Final answer
x = 3,135,346.63
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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.