Finding the Fourth Proportional to 2,569,915.81, 3,852,161.08 and 862,440.17
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Solution
The fourth proportional to 2,569,915.81, 3,852,161.08 and 862,440.17 is: 1,292,749.91
Step by Step Solution
- Step 1: Write the proportion equation
2,569,915.81 : 3,852,161.08 = 862,440.17 : x - Step 2: Convert to fraction form
2,569,915.81/3,852,161.08 = 862,440.17/x - Step 3: Cross multiply
2,569,915.81x = 3,852,161.08 × 862,440.17 - Step 4: Simplify right side
2,569,915.81x = 3,322,258,435,285.68 - Step 5: Solve for x
x = 3,322,258,435,285.68/2,569,915.81 - Step 6: Final answer
x = 1,292,749.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.