Finding the Fourth Proportional to 2,130,273.75, 3,195,476.24 and 931,579.05
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Solution
The fourth proportional to 2,130,273.75, 3,195,476.24 and 931,579.05 is: 1,397,397.27
Step by Step Solution
- Step 1: Write the proportion equation
2,130,273.75 : 3,195,476.24 = 931,579.05 : x - Step 2: Convert to fraction form
2,130,273.75/3,195,476.24 = 931,579.05/x - Step 3: Cross multiply
2,130,273.75x = 3,195,476.24 × 931,579.05 - Step 4: Simplify right side
2,130,273.75x = 2,976,838,719,956.77 - Step 5: Solve for x
x = 2,976,838,719,956.77/2,130,273.75 - Step 6: Final answer
x = 1,397,397.27
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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.