Finding the Fourth Proportional to 1,672,697.60, 2,509,201.84 and 474,649.28
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Solution
The fourth proportional to 1,672,697.60, 2,509,201.84 and 474,649.28 is: 712,018.03
Step by Step Solution
- Step 1: Write the proportion equation
1,672,697.60 : 2,509,201.84 = 474,649.28 : x - Step 2: Convert to fraction form
1,672,697.60/2,509,201.84 = 474,649.28/x - Step 3: Cross multiply
1,672,697.60x = 2,509,201.84 × 474,649.28 - Step 4: Simplify right side
1,672,697.60x = 1,190,990,846,730.68 - Step 5: Solve for x
x = 1,190,990,846,730.68/1,672,697.60 - Step 6: Final answer
x = 712,018.03
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.