Finding the Fourth Proportional to 1,465,808.76, 2,021,977.58 and 853,897.05
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Solution
The fourth proportional to 1,465,808.76, 2,021,977.58 and 853,897.05 is: 1,177,889.46
Step by Step Solution
- Step 1: Write the proportion equation
1,465,808.76 : 2,021,977.58 = 853,897.05 : x - Step 2: Convert to fraction form
1,465,808.76/2,021,977.58 = 853,897.05/x - Step 3: Cross multiply
1,465,808.76x = 2,021,977.58 × 853,897.05 - Step 4: Simplify right side
1,465,808.76x = 1,726,560,686,458.65 - Step 5: Solve for x
x = 1,726,560,686,458.65/1,465,808.76 - Step 6: Final answer
x = 1,177,889.46
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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.