Finding the Fourth Proportional to 1,998,644.92, 2,757,355.32 and 1,273,363
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Solution
The fourth proportional to 1,998,644.92, 2,757,355.32 and 1,273,363 is: 1,756,747.39
Step by Step Solution
- Step 1: Write the proportion equation
1,998,644.92 : 2,757,355.32 = 1,273,363 : x - Step 2: Convert to fraction form
1,998,644.92/2,757,355.32 = 1,273,363/x - Step 3: Cross multiply
1,998,644.92x = 2,757,355.32 × 1,273,363 - Step 4: Simplify right side
1,998,644.92x = 3,511,114,242,341.16 - Step 5: Solve for x
x = 3,511,114,242,341.16/1,998,644.92 - Step 6: Final answer
x = 1,756,747.39
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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.