Finding the Fourth Proportional to 1,541,525.76, 2,127,289.68 and 853,199.04
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Solution
The fourth proportional to 1,541,525.76, 2,127,289.68 and 853,199.04 is: 1,177,405.89
Step by Step Solution
- Step 1: Write the proportion equation
1,541,525.76 : 2,127,289.68 = 853,199.04 : x - Step 2: Convert to fraction form
1,541,525.76/2,127,289.68 = 853,199.04/x - Step 3: Cross multiply
1,541,525.76x = 2,127,289.68 × 853,199.04 - Step 4: Simplify right side
1,541,525.76x = 1,815,001,512,777.91 - Step 5: Solve for x
x = 1,815,001,512,777.91/1,541,525.76 - Step 6: Final answer
x = 1,177,405.89
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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.