Finding the Fourth Proportional to 5,480,762.40, 8,204,764.05 and 3,315,233.97
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Solution
The fourth proportional to 5,480,762.40, 8,204,764.05 and 3,315,233.97 is: 4,962,943.20
Step by Step Solution
- Step 1: Write the proportion equation
5,480,762.40 : 8,204,764.05 = 3,315,233.97 : x - Step 2: Convert to fraction form
5,480,762.40/8,204,764.05 = 3,315,233.97/x - Step 3: Cross multiply
5,480,762.40x = 8,204,764.05 × 3,315,233.97 - Step 4: Simplify right side
5,480,762.40x = 27,200,712,494,394.78 - Step 5: Solve for x
x = 27,200,712,494,394.78/5,480,762.40 - Step 6: Final answer
x = 4,962,943.20
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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.