Finding the Fourth Proportional to 3,432,471.19, 4,736,810.24 and 1,904,824.15
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Solution
The fourth proportional to 3,432,471.19, 4,736,810.24 and 1,904,824.15 is: 2,628,657.32
Step by Step Solution
- Step 1: Write the proportion equation
3,432,471.19 : 4,736,810.24 = 1,904,824.15 : x - Step 2: Convert to fraction form
3,432,471.19/4,736,810.24 = 1,904,824.15/x - Step 3: Cross multiply
3,432,471.19x = 4,736,810.24 × 1,904,824.15 - Step 4: Simplify right side
3,432,471.19x = 9,022,790,524,896.24 - Step 5: Solve for x
x = 9,022,790,524,896.24/3,432,471.19 - Step 6: Final answer
x = 2,628,657.32
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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.