Finding the Fourth Proportional to 2,768,936.58, 3,821,110.25 and 1,607,490.60
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Solution
The fourth proportional to 2,768,936.58, 3,821,110.25 and 1,607,490.60 is: 2,218,324.12
Step by Step Solution
- Step 1: Write the proportion equation
2,768,936.58 : 3,821,110.25 = 1,607,490.60 : x - Step 2: Convert to fraction form
2,768,936.58/3,821,110.25 = 1,607,490.60/x - Step 3: Cross multiply
2,768,936.58x = 3,821,110.25 × 1,607,490.60 - Step 4: Simplify right side
2,768,936.58x = 6,142,398,800,401.20 - Step 5: Solve for x
x = 6,142,398,800,401.20/2,768,936.58 - Step 6: Final answer
x = 2,218,324.12
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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.