Finding the Fourth Proportional to 2,239,121.67, 3,089,871.32 and 1,272,117.75
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Solution
The fourth proportional to 2,239,121.67, 3,089,871.32 and 1,272,117.75 is: 1,755,456.26
Step by Step Solution
- Step 1: Write the proportion equation
2,239,121.67 : 3,089,871.32 = 1,272,117.75 : x - Step 2: Convert to fraction form
2,239,121.67/3,089,871.32 = 1,272,117.75/x - Step 3: Cross multiply
2,239,121.67x = 3,089,871.32 × 1,272,117.75 - Step 4: Simplify right side
2,239,121.67x = 3,930,680,145,027.34 - Step 5: Solve for x
x = 3,930,680,145,027.34/2,239,121.67 - Step 6: Final answer
x = 1,755,456.26
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.