Finding the Fourth Proportional to 1,623,878.98, 2,240,936.49 and 898,728.10
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Solution
The fourth proportional to 1,623,878.98, 2,240,936.49 and 898,728.10 is: 1,240,235.64
Step by Step Solution
- Step 1: Write the proportion equation
1,623,878.98 : 2,240,936.49 = 898,728.10 : x - Step 2: Convert to fraction form
1,623,878.98/2,240,936.49 = 898,728.10/x - Step 3: Cross multiply
1,623,878.98x = 2,240,936.49 × 898,728.10 - Step 4: Simplify right side
1,623,878.98x = 2,013,992,593,878.37 - Step 5: Solve for x
x = 2,013,992,593,878.37/1,623,878.98 - Step 6: Final answer
x = 1,240,235.64
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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.