Finding the Fourth Proportional to 1,672,738.56, 2,509,201.44 and 535,600.80
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Solution
The fourth proportional to 1,672,738.56, 2,509,201.44 and 535,600.80 is: 803,431.17
Step by Step Solution
- Step 1: Write the proportion equation
1,672,738.56 : 2,509,201.44 = 535,600.80 : x - Step 2: Convert to fraction form
1,672,738.56/2,509,201.44 = 535,600.80/x - Step 3: Cross multiply
1,672,738.56x = 2,509,201.44 × 535,600.80 - Step 4: Simplify right side
1,672,738.56x = 1,343,930,298,625.15 - Step 5: Solve for x
x = 1,343,930,298,625.15/1,672,738.56 - Step 6: Final answer
x = 803,431.17
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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.