Finding the Fourth Proportional to 3,198,782.48, 4,798,421.57 and 1,068,874.11
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Solution
The fourth proportional to 3,198,782.48, 4,798,421.57 and 1,068,874.11 is: 1,603,393.99
Step by Step Solution
- Step 1: Write the proportion equation
3,198,782.48 : 4,798,421.57 = 1,068,874.11 : x - Step 2: Convert to fraction form
3,198,782.48/4,798,421.57 = 1,068,874.11/x - Step 3: Cross multiply
3,198,782.48x = 4,798,421.57 × 1,068,874.11 - Step 4: Simplify right side
3,198,782.48x = 5,128,908,587,710.74 - Step 5: Solve for x
x = 5,128,908,587,710.74/3,198,782.48 - Step 6: Final answer
x = 1,603,393.99
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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.