Finding the Fourth Proportional to 1,881,229.76, 2,596,116.12 and 1,021,806.80
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Solution
The fourth proportional to 1,881,229.76, 2,596,116.12 and 1,021,806.80 is: 1,410,103.73
Step by Step Solution
- Step 1: Write the proportion equation
1,881,229.76 : 2,596,116.12 = 1,021,806.80 : x - Step 2: Convert to fraction form
1,881,229.76/2,596,116.12 = 1,021,806.80/x - Step 3: Cross multiply
1,881,229.76x = 2,596,116.12 × 1,021,806.80 - Step 4: Simplify right side
1,881,229.76x = 2,652,729,105,005.62 - Step 5: Solve for x
x = 2,652,729,105,005.62/1,881,229.76 - Step 6: Final answer
x = 1,410,103.73
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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.