Finding the Fourth Proportional to 1,511,615.99, 2,086,030.08 and 832,552.49
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Solution
The fourth proportional to 1,511,615.99, 2,086,030.08 and 832,552.49 is: 1,148,922.45
Step by Step Solution
- Step 1: Write the proportion equation
1,511,615.99 : 2,086,030.08 = 832,552.49 : x - Step 2: Convert to fraction form
1,511,615.99/2,086,030.08 = 832,552.49/x - Step 3: Cross multiply
1,511,615.99x = 2,086,030.08 × 832,552.49 - Step 4: Simplify right side
1,511,615.99x = 1,736,729,542,533.97 - Step 5: Solve for x
x = 1,736,729,542,533.97/1,511,615.99 - Step 6: Final answer
x = 1,148,922.45
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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.