Finding the Fourth Proportional to 1,098,527.11, 1,647,189.95 and 872,276.09
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Solution
The fourth proportional to 1,098,527.11, 1,647,189.95 and 872,276.09 is: 1,307,937.15
Step by Step Solution
- Step 1: Write the proportion equation
1,098,527.11 : 1,647,189.95 = 872,276.09 : x - Step 2: Convert to fraction form
1,098,527.11/1,647,189.95 = 872,276.09/x - Step 3: Cross multiply
1,098,527.11x = 1,647,189.95 × 872,276.09 - Step 4: Simplify right side
1,098,527.11x = 1,436,804,415,371.96 - Step 5: Solve for x
x = 1,436,804,415,371.96/1,098,527.11 - Step 6: Final answer
x = 1,307,937.15
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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.