Finding the Fourth Proportional to 2,576,361.36, 3,555,489.70 and 1,430,441.76
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Solution
The fourth proportional to 2,576,361.36, 3,555,489.70 and 1,430,441.76 is: 1,974,071.27
Step by Step Solution
- Step 1: Write the proportion equation
2,576,361.36 : 3,555,489.70 = 1,430,441.76 : x - Step 2: Convert to fraction form
2,576,361.36/3,555,489.70 = 1,430,441.76/x - Step 3: Cross multiply
2,576,361.36x = 3,555,489.70 × 1,430,441.76 - Step 4: Simplify right side
2,576,361.36x = 5,085,920,944,129.87 - Step 5: Solve for x
x = 5,085,920,944,129.87/2,576,361.36 - Step 6: Final answer
x = 1,974,071.27
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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.