Finding the Fourth Proportional to 2,655,936.75, 3,665,192.73 and 1,448,712.75
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Solution
The fourth proportional to 2,655,936.75, 3,665,192.73 and 1,448,712.75 is: 1,999,223.60
Step by Step Solution
- Step 1: Write the proportion equation
2,655,936.75 : 3,665,192.73 = 1,448,712.75 : x - Step 2: Convert to fraction form
2,655,936.75/3,665,192.73 = 1,448,712.75/x - Step 3: Cross multiply
2,655,936.75x = 3,665,192.73 × 1,448,712.75 - Step 4: Simplify right side
2,655,936.75x = 5,309,811,439,158.31 - Step 5: Solve for x
x = 5,309,811,439,158.31/2,655,936.75 - Step 6: Final answer
x = 1,999,223.60
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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.