Finding the Fourth Proportional to 1,917,361.12, 2,646,917.04 and 1,192,442.32
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Solution
The fourth proportional to 1,917,361.12, 2,646,917.04 and 1,192,442.32 is: 1,646,166.63
Step by Step Solution
- Step 1: Write the proportion equation
1,917,361.12 : 2,646,917.04 = 1,192,442.32 : x - Step 2: Convert to fraction form
1,917,361.12/2,646,917.04 = 1,192,442.32/x - Step 3: Cross multiply
1,917,361.12x = 2,646,917.04 × 1,192,442.32 - Step 4: Simplify right side
1,917,361.12x = 3,156,295,896,025.13 - Step 5: Solve for x
x = 3,156,295,896,025.13/1,917,361.12 - Step 6: Final answer
x = 1,646,166.63
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.