Finding the Fourth Proportional to 5,389,386.20, 8,089,984.20 and 3,369,910.40
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Solution
The fourth proportional to 5,389,386.20, 8,089,984.20 and 3,369,910.40 is: 5,058,557.85
Step by Step Solution
- Step 1: Write the proportion equation
5,389,386.20 : 8,089,984.20 = 3,369,910.40 : x - Step 2: Convert to fraction form
5,389,386.20/8,089,984.20 = 3,369,910.40/x - Step 3: Cross multiply
5,389,386.20x = 8,089,984.20 × 3,369,910.40 - Step 4: Simplify right side
5,389,386.20x = 27,262,521,891,415.68 - Step 5: Solve for x
x = 27,262,521,891,415.68/5,389,386.20 - Step 6: Final answer
x = 5,058,557.85
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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.