Finding the Fourth Proportional to 1,438,277.11, 1,984,754.95 and 825,998.18
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Solution
The fourth proportional to 1,438,277.11, 1,984,754.95 and 825,998.18 is: 1,139,838.74
Step by Step Solution
- Step 1: Write the proportion equation
1,438,277.11 : 1,984,754.95 = 825,998.18 : x - Step 2: Convert to fraction form
1,438,277.11/1,984,754.95 = 825,998.18/x - Step 3: Cross multiply
1,438,277.11x = 1,984,754.95 × 825,998.18 - Step 4: Simplify right side
1,438,277.11x = 1,639,403,964,457.22 - Step 5: Solve for x
x = 1,639,403,964,457.22/1,438,277.11 - Step 6: Final answer
x = 1,139,838.74
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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.