Finding the Fourth Proportional to 1,463,128.84, 2,019,808.07 and 1,100,690.70
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Solution
The fourth proportional to 1,463,128.84, 2,019,808.07 and 1,100,690.70 is: 1,519,472.45
Step by Step Solution
- Step 1: Write the proportion equation
1,463,128.84 : 2,019,808.07 = 1,100,690.70 : x - Step 2: Convert to fraction form
1,463,128.84/2,019,808.07 = 1,100,690.70/x - Step 3: Cross multiply
1,463,128.84x = 2,019,808.07 × 1,100,690.70 - Step 4: Simplify right side
1,463,128.84x = 2,223,183,958,433.95 - Step 5: Solve for x
x = 2,223,183,958,433.95/1,463,128.84 - Step 6: Final answer
x = 1,519,472.45
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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.