Finding the Fourth Proportional to 1,809,921.84, 2,497,712.64 and 994,144.56
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Solution
The fourth proportional to 1,809,921.84, 2,497,712.64 and 994,144.56 is: 1,371,930.75
Step by Step Solution
- Step 1: Write the proportion equation
1,809,921.84 : 2,497,712.64 = 994,144.56 : x - Step 2: Convert to fraction form
1,809,921.84/2,497,712.64 = 994,144.56/x - Step 3: Cross multiply
1,809,921.84x = 2,497,712.64 × 994,144.56 - Step 4: Simplify right side
1,809,921.84x = 2,483,087,433,499.24 - Step 5: Solve for x
x = 2,483,087,433,499.24/1,809,921.84 - Step 6: Final answer
x = 1,371,930.75
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1.5x scale
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.