Finding the Fourth Proportional to 1,409,266.24, 1,942,102.68 and 1,383,355.24
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Solution
The fourth proportional to 1,409,266.24, 1,942,102.68 and 1,383,355.24 is: 1,906,394.86
Step by Step Solution
- Step 1: Write the proportion equation
1,409,266.24 : 1,942,102.68 = 1,383,355.24 : x - Step 2: Convert to fraction form
1,409,266.24/1,942,102.68 = 1,383,355.24/x - Step 3: Cross multiply
1,409,266.24x = 1,942,102.68 × 1,383,355.24 - Step 4: Simplify right side
1,409,266.24x = 2,686,617,918,996.04 - Step 5: Solve for x
x = 2,686,617,918,996.04/1,409,266.24 - Step 6: Final answer
x = 1,906,394.86
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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.