Finding the Fourth Proportional to 2,277,507.60, 3,142,961.28 and 1,258,912.08
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Solution
The fourth proportional to 2,277,507.60, 3,142,961.28 and 1,258,912.08 is: 1,737,299.11
Step by Step Solution
- Step 1: Write the proportion equation
2,277,507.60 : 3,142,961.28 = 1,258,912.08 : x - Step 2: Convert to fraction form
2,277,507.60/3,142,961.28 = 1,258,912.08/x - Step 3: Cross multiply
2,277,507.60x = 3,142,961.28 × 1,258,912.08 - Step 4: Simplify right side
2,277,507.60x = 3,956,711,922,364.26 - Step 5: Solve for x
x = 3,956,711,922,364.26/2,277,507.60 - Step 6: Final answer
x = 1,737,299.11
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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.