Finding the Fourth Proportional to 1,766,462.40, 2,646,583.20 and 1,449,201.60
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Solution
The fourth proportional to 1,766,462.40, 2,646,583.20 and 1,449,201.60 is: 2,171,250.64
Step by Step Solution
- Step 1: Write the proportion equation
1,766,462.40 : 2,646,583.20 = 1,449,201.60 : x - Step 2: Convert to fraction form
1,766,462.40/2,646,583.20 = 1,449,201.60/x - Step 3: Cross multiply
1,766,462.40x = 2,646,583.20 × 1,449,201.60 - Step 4: Simplify right side
1,766,462.40x = 3,835,432,607,973.12 - Step 5: Solve for x
x = 3,835,432,607,973.12/1,766,462.40 - Step 6: Final answer
x = 2,171,250.64
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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.