Finding the Fourth Proportional to 1,438,349.70, 2,157,524.55 and 902,972.10
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Solution
The fourth proportional to 1,438,349.70, 2,157,524.55 and 902,972.10 is: 1,354,458.15
Step by Step Solution
- Step 1: Write the proportion equation
1,438,349.70 : 2,157,524.55 = 902,972.10 : x - Step 2: Convert to fraction form
1,438,349.70/2,157,524.55 = 902,972.10/x - Step 3: Cross multiply
1,438,349.70x = 2,157,524.55 × 902,972.10 - Step 4: Simplify right side
1,438,349.70x = 1,948,184,473,715.05 - Step 5: Solve for x
x = 1,948,184,473,715.05/1,438,349.70 - Step 6: Final answer
x = 1,354,458.15
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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.