Finding the Fourth Proportional to 1,664,577.36, 2,297,124.63 and 939,455.64
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Solution
The fourth proportional to 1,664,577.36, 2,297,124.63 and 939,455.64 is: 1,296,453.23
Step by Step Solution
- Step 1: Write the proportion equation
1,664,577.36 : 2,297,124.63 = 939,455.64 : x - Step 2: Convert to fraction form
1,664,577.36/2,297,124.63 = 939,455.64/x - Step 3: Cross multiply
1,664,577.36x = 2,297,124.63 × 939,455.64 - Step 4: Simplify right side
1,664,577.36x = 2,158,046,689,436.41 - Step 5: Solve for x
x = 2,158,046,689,436.41/1,664,577.36 - Step 6: Final answer
x = 1,296,453.23
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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.