Finding the Fourth Proportional to 4,798,039.57, 7,197,431.21 and 1,603,177.09
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Solution
The fourth proportional to 4,798,039.57, 7,197,431.21 and 1,603,177.09 is: 2,404,889.88
Step by Step Solution
- Step 1: Write the proportion equation
4,798,039.57 : 7,197,431.21 = 1,603,177.09 : x - Step 2: Convert to fraction form
4,798,039.57/7,197,431.21 = 1,603,177.09/x - Step 3: Cross multiply
4,798,039.57x = 7,197,431.21 × 1,603,177.09 - Step 4: Simplify right side
4,798,039.57x = 11,538,756,822,722.98 - Step 5: Solve for x
x = 11,538,756,822,722.98/4,798,039.57 - Step 6: Final answer
x = 2,404,889.88
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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.