Finding the Fourth Proportional to 1,921,569.20, 2,882,353.80 and 976,785.20
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Solution
The fourth proportional to 1,921,569.20, 2,882,353.80 and 976,785.20 is: 1,465,177.80
Step by Step Solution
- Step 1: Write the proportion equation
1,921,569.20 : 2,882,353.80 = 976,785.20 : x - Step 2: Convert to fraction form
1,921,569.20/2,882,353.80 = 976,785.20/x - Step 3: Cross multiply
1,921,569.20x = 2,882,353.80 × 976,785.20 - Step 4: Simplify right side
1,921,569.20x = 2,815,440,533,003.76 - Step 5: Solve for x
x = 2,815,440,533,003.76/1,921,569.20 - Step 6: Final answer
x = 1,465,177.80
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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.